23978747502 has 48 divisors (see below), whose sum is σ = 52215321600. Its totient is φ = 7952802000.

The previous prime is 23978747461. The next prime is 23978747519. The reversal of 23978747502 is 20574787932.

23978747502 is a `hidden beast` number, since 2 + 3 + 97 + 8 + 7 + 47 + 502 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3349627 + ... + 3356777.

It is an arithmetic number, because the mean of its divisors is an integer number (1087819200).

Almost surely, 2^23978747502 is an apocalyptic number.

23978747502 is an abundant number, since it is smaller than the sum of its proper divisors (28236574098).

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

23978747502 is a wasteful number, since it uses less digits than its factorization.

23978747502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8069 (or 8066 counting only the distinct ones).

The product of its (nonzero) digits is 5927040, while the sum is 54.

The spelling of 23978747502 in words is "twenty-three billion, nine hundred seventy-eight million, seven hundred forty-seven thousand, five hundred two".