78665001164 has 12 divisors (see below), whose sum is σ = 137775049104. Its totient is φ = 39300701424.

The previous prime is 78665001127. The next prime is 78665001197. The reversal of 78665001164 is 46110056687.

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, 7944224 + ... + 7954119.

It is an arithmetic number, because the mean of its divisors is an integer number (11481254092).

Almost surely, 2^78665001164 is an apocalyptic number.

It is an amenable number.

78665001164 is a deficient number, since it is larger than the sum of its proper divisors (59110047940).

78665001164 is a wasteful number, since it uses less digits than its factorization.

78665001164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15899584 (or 15899582 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 78665001164 in words is "seventy-eight billion, six hundred sixty-five million, one thousand, one hundred sixty-four".