78860966 has 8 divisors (see below), whose sum is σ = 118434960. Its totient is φ = 39382648.

The previous prime is 78860941. The next prime is 78860981. The reversal of 78860966 is 66906887.

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

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 21821 + ... + 25176.

It is an arithmetic number, because the mean of its divisors is an integer number (14804370).

Almost surely, 2^78860966 is an apocalyptic number.

78860966 is a deficient number, since it is larger than the sum of its proper divisors (39573994).

78860966 is a wasteful number, since it uses less digits than its factorization.

78860966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47838.

The product of its (nonzero) digits is 870912, while the sum is 50.

The square root of 78860966 is about 8880.3696995114. The cubic root of 78860966 is about 428.8321764475.

The spelling of 78860966 in words is "seventy-eight million, eight hundred sixty thousand, nine hundred sixty-six".