78695764189 has 16 divisors (see below), whose sum is σ = 93054384000. Its totient is φ = 65116989504.

The previous prime is 78695764181. The next prime is 78695764219. The reversal of 78695764189 is 98146759687.

It is not a de Polignac number, because 78695764189 - 2³ = 78695764181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78695764181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1382754 + ... + 1438540.

It is an arithmetic number, because the mean of its divisors is an integer number (5815899000).

Almost surely, 2^78695764189 is an apocalyptic number.

It is an amenable number.

78695764189 is a deficient number, since it is larger than the sum of its proper divisors (14358619811).

78695764189 is a wasteful number, since it uses less digits than its factorization.

78695764189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62772.

The product of its digits is 182891520, while the sum is 70.

The spelling of 78695764189 in words is "seventy-eight billion, six hundred ninety-five million, seven hundred sixty-four thousand, one hundred eighty-nine".