8715623940 has 72 divisors (see below), whose sum is σ = 26451472320. Its totient is φ = 2322928704.

The previous prime is 8715623927. The next prime is 8715623963. The reversal of 8715623940 is 493265178.

8715623940 is a `hidden beast` number, since 8 + 7 + 15 + 623 + 9 + 4 + 0 = 666.

8715623940 is digitally balanced in base 2 and base 10, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×8715623940² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

8715623940 is strictly pandigital in base 10.

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 23 ways as a sum of consecutive naturals, for example, 355147 + ... + 378893.

It is an arithmetic number, because the mean of its divisors is an integer number (367381560).

It is a 1-persistent number, because it is pandigital, but 2⋅8715623940 = 17431247880 is not.

Almost surely, 2^8715623940 is an apocalyptic number.

It is an amenable number.

8715623940 is an abundant number, since it is smaller than the sum of its proper divisors (17735848380).

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

8715623940 is a wasteful number, since it uses less digits than its factorization.

8715623940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25801 (or 25796 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 8715623940 is about 93357.5060720883. The cubic root of 8715623940 is about 2057.9405644308.

The spelling of 8715623940 in words is "eight billion, seven hundred fifteen million, six hundred twenty-three thousand, nine hundred forty".