78785962 has 4 divisors (see below), whose sum is σ = 118178946. Its totient is φ = 39392980.

The previous prime is 78785947. The next prime is 78785981. The reversal of 78785962 is 26958787.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 75359761 + 3426201 = 8681^2 + 1851^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 19696489 + ... + 19696492.

Almost surely, 2^78785962 is an apocalyptic number.

78785962 is a deficient number, since it is larger than the sum of its proper divisors (39392984).

78785962 is a wasteful number, since it uses less digits than its factorization.

78785962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39392983.

The product of its digits is 1693440, while the sum is 52.

The square root of 78785962 is about 8876.1456725315. The cubic root of 78785962 is about 428.6961804341.

The spelling of 78785962 in words is "seventy-eight million, seven hundred eighty-five thousand, nine hundred sixty-two".