78964652 has 12 divisors (see below), whose sum is σ = 148818096. Its totient is φ = 36445200.

The previous prime is 78964621. The next prime is 78964661. The reversal of 78964652 is 25646987.

It is a super-2 number, since 2×78964652² = 12470832530962208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 78964597 and 78964606.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 759224 + ... + 759327.

It is an arithmetic number, because the mean of its divisors is an integer number (12401508).

Almost surely, 2^78964652 is an apocalyptic number.

It is an amenable number.

78964652 is a deficient number, since it is larger than the sum of its proper divisors (69853444).

78964652 is a wasteful number, since it uses less digits than its factorization.

78964652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1518568 (or 1518566 counting only the distinct ones).

The product of its digits is 725760, while the sum is 47.

The square root of 78964652 is about 8886.2057144768. The cubic root of 78964652 is about 429.0200362661.

The spelling of 78964652 in words is "seventy-eight million, nine hundred sixty-four thousand, six hundred fifty-two".