78156852324 has 12 divisors (see below), whose sum is σ = 182365988784. Its totient is φ = 26052284104.

The previous prime is 78156852313. The next prime is 78156852329. The reversal of 78156852324 is 42325865187.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×78156852324² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78156852329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3256535502 + ... + 3256535525.

It is an arithmetic number, because the mean of its divisors is an integer number (15197165732).

Almost surely, 2^78156852324 is an apocalyptic number.

It is an amenable number.

78156852324 is an abundant number, since it is smaller than the sum of its proper divisors (104209136460).

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

78156852324 is a wasteful number, since it uses less digits than its factorization.

78156852324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6513071034 (or 6513071032 counting only the distinct ones).

The product of its digits is 3225600, while the sum is 51.

The spelling of 78156852324 in words is "seventy-eight billion, one hundred fifty-six million, eight hundred fifty-two thousand, three hundred twenty-four".