78264968 has 16 divisors (see below), whose sum is σ = 151807500. Its totient is φ = 37782976.

The previous prime is 78264959. The next prime is 78264983. The reversal of 78264968 is 86946287.

It can be written as a sum of positive squares in 2 ways, for example, as 72965764 + 5299204 = 8542^2 + 2302^2 .

It is a super-2 number, since 2×78264968² = 12250810432082048, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168443 + ... + 168906.

Almost surely, 2^78264968 is an apocalyptic number.

It is an amenable number.

78264968 is a deficient number, since it is larger than the sum of its proper divisors (73542532).

78264968 is a wasteful number, since it uses less digits than its factorization.

78264968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337384 (or 337380 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 50.

The square root of 78264968 is about 8846.7490074038. The cubic root of 78264968 is about 427.7491323984.

The spelling of 78264968 in words is "seventy-eight million, two hundred sixty-four thousand, nine hundred sixty-eight".