28692913008 has 20 divisors (see below), whose sum is σ = 74123358728. Its totient is φ = 9564304320.

The previous prime is 28692912991. The next prime is 28692913031. The reversal of 28692913008 is 80031929682.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 597769021 = 28692913008 / (2 + 8 + 6 + 9 + 2 + 9 + 1 + 3 + 0 + 0 + 8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 298884463 + ... + 298884558.

Almost surely, 2^28692913008 is an apocalyptic number.

It is an amenable number.

28692913008 is an abundant number, since it is smaller than the sum of its proper divisors (45430445720).

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

28692913008 is a wasteful number, since it uses less digits than its factorization.

28692913008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597769032 (or 597769026 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 48.

The spelling of 28692913008 in words is "twenty-eight billion, six hundred ninety-two million, nine hundred thirteen thousand, eight".