78305870162 has 16 divisors (see below), whose sum is σ = 126592744320. Its totient is φ = 36112986192.

The previous prime is 78305870161. The next prime is 78305870171. The reversal of 78305870162 is 26107850387.

It is a happy number.

It is a super-2 number, since 2×78305870162² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78305870161) 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, 1140362 + ... + 1207077.

It is an arithmetic number, because the mean of its divisors is an integer number (7912046520).

Almost surely, 2^78305870162 is an apocalyptic number.

78305870162 is a deficient number, since it is larger than the sum of its proper divisors (48286874158).

78305870162 is a wasteful number, since it uses less digits than its factorization.

78305870162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2348737.

The product of its (nonzero) digits is 564480, while the sum is 47.

The spelling of 78305870162 in words is "seventy-eight billion, three hundred five million, eight hundred seventy thousand, one hundred sixty-two".