28956653068 has 48 divisors (see below), whose sum is σ = 63611896320. Its totient is φ = 11245665024.

The previous prime is 28956653059. The next prime is 28956653069. The reversal of 28956653068 is 86035665982.

It is not an unprimeable number, because it can be changed into a prime (28956653069) 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, 1171021 + ... + 1195492.

It is an arithmetic number, because the mean of its divisors is an integer number (1325247840).

Almost surely, 2^28956653068 is an apocalyptic number.

28956653068 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

28956653068 is an abundant number, since it is smaller than the sum of its proper divisors (34655243252).

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

28956653068 is a wasteful number, since it uses less digits than its factorization.

28956653068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2366566 (or 2366564 counting only the distinct ones).

The product of its (nonzero) digits is 18662400, while the sum is 58.

The spelling of 28956653068 in words is "twenty-eight billion, nine hundred fifty-six million, six hundred fifty-three thousand, sixty-eight".