78860317160 has 32 divisors (see below), whose sum is σ = 178416037800. Its totient is φ = 31369847040.

The previous prime is 78860317157. The next prime is 78860317163. The reversal of 78860317160 is 6171306887.

It is an interprime number because it is at equal distance from previous prime (78860317157) and next prime (78860317163).

It can be written as a sum of positive squares in 4 ways, for example, as 29947686916 + 48912630244 = 173054^2 + 221162^2 .

It is not an unprimeable number, because it can be changed into a prime (78860317163) 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, 5438915 + ... + 5453394.

Almost surely, 2^78860317160 is an apocalyptic number.

It is an amenable number.

78860317160 is an abundant number, since it is smaller than the sum of its proper divisors (99555720640).

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

78860317160 is a wasteful number, since it uses less digits than its factorization.

78860317160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10892501 (or 10892497 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 47.

The spelling of 78860317160 in words is "seventy-eight billion, eight hundred sixty million, three hundred seventeen thousand, one hundred sixty".