28739525812368 has 320 divisors, whose sum is σ = 91132604140032. Its totient is φ = 7617329233920.

The previous prime is 28739525812337. The next prime is 28739525812373. The reversal of 28739525812368 is 86321852593782.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 647541538 + ... + 647585918.

Almost surely, 2^{28739525812368} is an apocalyptic number.

28739525812368 is a gapful number since it is divisible by the number (28) 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 28739525812368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45566302070016).

28739525812368 is an abundant number, since it is smaller than the sum of its proper divisors (62393078327664).

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

28739525812368 is a wasteful number, since it uses less digits than its factorization.

28739525812368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46042 (or 46036 counting only the distinct ones).

The product of its digits is 348364800, while the sum is 69.

The spelling of 28739525812368 in words is "twenty-eight trillion, seven hundred thirty-nine billion, five hundred twenty-five million, eight hundred twelve thousand, three hundred sixty-eight".