78618012132 has 48 divisors (see below), whose sum is σ = 200163059712. Its totient is φ = 23818344480.

The previous prime is 78618012119. The next prime is 78618012163. The reversal of 78618012132 is 23121081687.

It is a super-3 number, since 3×78618012132³ (a number of 34 digits) contains 333 as substring.

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, 551653 + ... + 679379.

It is an arithmetic number, because the mean of its divisors is an integer number (4170063744).

Almost surely, 2^78618012132 is an apocalyptic number.

It is an amenable number.

78618012132 is an abundant number, since it is smaller than the sum of its proper divisors (121545047580).

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

78618012132 is a wasteful number, since it uses less digits than its factorization.

78618012132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132408 (or 132406 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 39.

The spelling of 78618012132 in words is "seventy-eight billion, six hundred eighteen million, twelve thousand, one hundred thirty-two".