78995264 has 28 divisors (see below), whose sum is σ = 157162500. Its totient is φ = 39395328.

The previous prime is 78995263. The next prime is 78995269. The reversal of 78995264 is 46259987.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 27040000 + 51955264 = 5200^2 + 7208^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78995261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27362 + ... + 30110.

Almost surely, 2^78995264 is an apocalyptic number.

It is an amenable number.

78995264 is a deficient number, since it is larger than the sum of its proper divisors (78167236).

78995264 is a wasteful number, since it uses less digits than its factorization.

78995264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3210 (or 3200 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 50.

The square root of 78995264 is about 8887.9279925076. The cubic root of 78995264 is about 429.0754680923.

The spelling of 78995264 in words is "seventy-eight million, nine hundred ninety-five thousand, two hundred sixty-four".