78572872954 has 8 divisors (see below), whose sum is σ = 124062431040. Its totient is φ = 37218729276.

The previous prime is 78572872901. The next prime is 78572872969. The reversal of 78572872954 is 45927827587.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×78572872954² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1033853554 + ... + 1033853629.

It is an arithmetic number, because the mean of its divisors is an integer number (15507803880).

Almost surely, 2^78572872954 is an apocalyptic number.

78572872954 is a deficient number, since it is larger than the sum of its proper divisors (45489558086).

78572872954 is a wasteful number, since it uses less digits than its factorization.

78572872954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2067707204.

The product of its digits is 79027200, while the sum is 64.

The spelling of 78572872954 in words is "seventy-eight billion, five hundred seventy-two million, eight hundred seventy-two thousand, nine hundred fifty-four".