28376697600 has 1080 divisors, whose sum is σ = 114698978240. Its totient is φ = 6897623040.

The previous prime is 28376697593. The next prime is 28376697607. The reversal of 28376697600 is 679667382.

28376697600 is a `hidden beast` number, since 28 + 3 + 7 + 6 + 6 + 9 + 7 + 600 = 666.

It is an interprime number because it is at equal distance from previous prime (28376697593) and next prime (28376697607).

It is a tau number, because it is divible by the number of its divisors (1080).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (28376697607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 423532767 + ... + 423532833.

Almost surely, 2^28376697600 is an apocalyptic number.

28376697600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28376697600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57349489120).

28376697600 is an abundant number, since it is smaller than the sum of its proper divisors (86322280640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28376697600 is a wasteful number, since it uses less digits than its factorization.

28376697600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167 (or 139 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 54.

The spelling of 28376697600 in words is "twenty-eight billion, three hundred seventy-six million, six hundred ninety-seven thousand, six hundred".