28623056939568 has 280 divisors, whose sum is σ = 102335662577568. Its totient is φ = 7548937814016.

The previous prime is 28623056939509. The next prime is 28623056939621. The reversal of 28623056939568 is 86593965032682.

28623056939568 is a `hidden beast` number, since 2 + 8 + 6 + 2 + 3 + 0 + 56 + 9 + 3 + 9 + 568 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 28623056939496 and 28623056939505.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 12421905 + ... + 14544752.

Almost surely, 2^{28623056939568} is an apocalyptic number.

28623056939568 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

28623056939568 is an abundant number, since it is smaller than the sum of its proper divisors (73712605638000).

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

28623056939568 is a wasteful number, since it uses less digits than its factorization.

28623056939568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26966703 (or 26966682 counting only the distinct ones).

The product of its (nonzero) digits is 1007769600, while the sum is 72.

The spelling of 28623056939568 in words is "twenty-eight trillion, six hundred twenty-three billion, fifty-six million, nine hundred thirty-nine thousand, five hundred sixty-eight".