78323264 has 28 divisors (see below), whose sum is σ = 155716224. Its totient is φ = 39087744.

The previous prime is 78323239. The next prime is 78323269. The reversal of 78323264 is 46232387.

It is a super-2 number, since 2×78323264² = 12269067367227392, which contains 22 as substring.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78323269) by changing a digit.

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, 51929 + ... + 53415.

Almost surely, 2^78323264 is an apocalyptic number.

It is an amenable number.

78323264 is a deficient number, since it is larger than the sum of its proper divisors (77392960).

78323264 is a wasteful number, since it uses less digits than its factorization.

78323264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2322 (or 2312 counting only the distinct ones).

The product of its digits is 48384, while the sum is 35.

The square root of 78323264 is about 8850.0431637365. The cubic root of 78323264 is about 427.8553096379.

It can be divided in two parts, 78323 and 264, that added together give a palindrome (78587).

The spelling of 78323264 in words is "seventy-eight million, three hundred twenty-three thousand, two hundred sixty-four".