78965402 has 8 divisors (see below), whose sum is σ = 118790496. Its totient is φ = 39368572.

The previous prime is 78965399. The next prime is 78965473. The reversal of 78965402 is 20456987.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 78965402.

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, 56198 + ... + 57585.

It is an arithmetic number, because the mean of its divisors is an integer number (14848812).

Almost surely, 2^78965402 is an apocalyptic number.

78965402 is a deficient number, since it is larger than the sum of its proper divisors (39825094).

78965402 is a wasteful number, since it uses less digits than its factorization.

78965402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114132.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 78965402 is about 8886.2479146150. The cubic root of 78965402 is about 429.0213945278.

The spelling of 78965402 in words is "seventy-eight million, nine hundred sixty-five thousand, four hundred two".