78625277532 has 24 divisors (see below), whose sum is σ = 203843312400. Its totient is φ = 26208425808.

The previous prime is 78625277461. The next prime is 78625277539. The reversal of 78625277532 is 23577252687.

78625277532 is a `hidden beast` number, since 7 + 8 + 62 + 527 + 7 + 53 + 2 = 666.

It is a super-2 number, since 2×78625277532² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78625277539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 364005807 + ... + 364006022.

It is an arithmetic number, because the mean of its divisors is an integer number (8493471350).

Almost surely, 2^78625277532 is an apocalyptic number.

It is an amenable number.

78625277532 is an abundant number, since it is smaller than the sum of its proper divisors (125218034868).

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

78625277532 is a wasteful number, since it uses less digits than its factorization.

78625277532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728011842 (or 728011834 counting only the distinct ones).

The product of its digits is 9878400, while the sum is 54.

The spelling of 78625277532 in words is "seventy-eight billion, six hundred twenty-five million, two hundred seventy-seven thousand, five hundred thirty-two".