78562965 has 32 divisors (see below), whose sum is σ = 137249280. Its totient is φ = 38140416.

The previous prime is 78562961. The next prime is 78562987. The reversal of 78562965 is 56926587.

It is a happy number.

It is not a de Polignac number, because 78562965 - 2² = 78562961 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78562961) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11476 + ... + 16994.

It is an arithmetic number, because the mean of its divisors is an integer number (4289040).

Almost surely, 2^78562965 is an apocalyptic number.

It is an amenable number.

78562965 is a deficient number, since it is larger than the sum of its proper divisors (58686315).

78562965 is a wasteful number, since it uses less digits than its factorization.

78562965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5613.

The product of its digits is 907200, while the sum is 48.

The square root of 78562965 is about 8863.5751816070. The cubic root of 78562965 is about 428.2913354769.

The spelling of 78562965 in words is "seventy-eight million, five hundred sixty-two thousand, nine hundred sixty-five".