28494582376 has 64 divisors (see below), whose sum is σ = 59544334080. Its totient is φ = 12698000640.

The previous prime is 28494582371. The next prime is 28494582379. The reversal of 28494582376 is 67328549482.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 28494582376.

It is not an unprimeable number, because it can be changed into a prime (28494582371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 475825 + ... + 532351.

It is an arithmetic number, because the mean of its divisors is an integer number (930380220).

Almost surely, 2^28494582376 is an apocalyptic number.

28494582376 is a gapful number since it is divisible by the number (26) 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 28494582376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29772167040).

28494582376 is an abundant number, since it is smaller than the sum of its proper divisors (31049751704).

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

28494582376 is a wasteful number, since it uses less digits than its factorization.

28494582376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56714 (or 56710 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 58.

The spelling of 28494582376 in words is "twenty-eight billion, four hundred ninety-four million, five hundred eighty-two thousand, three hundred seventy-six".