78207074032232 has 16 divisors (see below), whose sum is σ = 146639333348100. Its totient is φ = 39103251806080.

The previous prime is 78207074032223. The next prime is 78207074032247. The reversal of 78207074032232 is 23223047070287.

It can be written as a sum of positive squares in 2 ways, for example, as 59267117808196 + 18939956224036 = 7698514^2 + 4352006^2 .

It is a super-2 number, since 2×78207074032232² (a number of 29 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, 34483619 + ... + 36681522.

Almost surely, 2^{78207074032232} is an apocalyptic number.

It is an amenable number.

78207074032232 is a deficient number, since it is larger than the sum of its proper divisors (68432259315868).

78207074032232 is a wasteful number, since it uses less digits than its factorization.

78207074032232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71302516 (or 71302512 counting only the distinct ones).

The product of its (nonzero) digits is 1580544, while the sum is 47.

The spelling of 78207074032232 in words is "seventy-eight trillion, two hundred seven billion, seventy-four million, thirty-two thousand, two hundred thirty-two".