78524187144956 has 48 divisors (see below), whose sum is σ = 160708365861120. Its totient is φ = 32869014192000.

The previous prime is 78524187144937. The next prime is 78524187144967. The reversal of 78524187144956 is 65944178142587.

It is a self number, because there is not a number n which added to its sum of digits gives 78524187144956.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23732435 + ... + 26837973.

It is an arithmetic number, because the mean of its divisors is an integer number (3348090955440).

Almost surely, 2^{78524187144956} is an apocalyptic number.

It is an amenable number.

78524187144956 is an abundant number, since it is smaller than the sum of its proper divisors (82184178716164).

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

78524187144956 is a wasteful number, since it uses less digits than its factorization.

78524187144956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3126594 (or 3126592 counting only the distinct ones).

The product of its digits is 541900800, while the sum is 71.

The spelling of 78524187144956 in words is "seventy-eight trillion, five hundred twenty-four billion, one hundred eighty-seven million, one hundred forty-four thousand, nine hundred fifty-six".