78507162 has 12 divisors (see below), whose sum is σ = 170098890. Its totient is φ = 26169048.

The previous prime is 78507161. The next prime is 78507181. The reversal of 78507162 is 26170587.

It can be written as a sum of positive squares in only one way, i.e., 78481881 + 25281 = 8859^2 + 159^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (78507161) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2180737 + ... + 2180772.

Almost surely, 2^78507162 is an apocalyptic number.

78507162 is an abundant number, since it is smaller than the sum of its proper divisors (91591728).

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

78507162 is a wasteful number, since it uses less digits than its factorization.

78507162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4361517 (or 4361514 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The square root of 78507162 is about 8860.4267391588. The cubic root of 78507162 is about 428.1899068445.

The spelling of 78507162 in words is "seventy-eight million, five hundred seven thousand, one hundred sixty-two".