78674387162 has 24 divisors (see below), whose sum is σ = 137867996916. Its totient is φ = 33572874048.

The previous prime is 78674387059. The next prime is 78674387191. The reversal of 78674387162 is 26178347687.

It can be written as a sum of positive squares in 2 ways, for example, as 57570723721 + 21103663441 = 239939^2 + 145271^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1699913 + ... + 1745580.

Almost surely, 2^78674387162 is an apocalyptic number.

78674387162 is a deficient number, since it is larger than the sum of its proper divisors (59193609754).

78674387162 is a wasteful number, since it uses less digits than its factorization.

78674387162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3445742 (or 3445735 counting only the distinct ones).

The product of its digits is 18966528, while the sum is 59.

The spelling of 78674387162 in words is "seventy-eight billion, six hundred seventy-four million, three hundred eighty-seven thousand, one hundred sixty-two".