28677888000 has 576 divisors, whose sum is σ = 107429081760. Its totient is φ = 7630848000.

The previous prime is 28677887989. The next prime is 28677888011. The reversal of 28677888000 is 88877682.

It is an interprime number because it is at equal distance from previous prime (28677887989) and next prime (28677888011).

It is a tau number, because it is divible by the number of its divisors (576).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 62207770 + ... + 62208230.

Almost surely, 2^28677888000 is an apocalyptic number.

28677888000 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 28677888000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53714540880).

28677888000 is an abundant number, since it is smaller than the sum of its proper divisors (78751193760).

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

28677888000 is an frugal number, since it uses more digits than its factorization.

28677888000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513 (or 471 counting only the distinct ones).

The product of its (nonzero) digits is 2408448, while the sum is 54.

The spelling of 28677888000 in words is "twenty-eight billion, six hundred seventy-seven million, eight hundred eighty-eight thousand".