70679808765 has 128 divisors (see below), whose sum is σ = 137120256000. Its totient is φ = 34406684928.

The previous prime is 70679808751. The next prime is 70679808779. The reversal of 70679808765 is 56780897607.

It is an interprime number because it is at equal distance from previous prime (70679808751) and next prime (70679808779).

It is not a de Polignac number, because 70679808765 - 2¹⁶ = 70679743229 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 54077242 + ... + 54078548.

It is an arithmetic number, because the mean of its divisors is an integer number (1071252000).

Almost surely, 2^70679808765 is an apocalyptic number.

It is an amenable number.

70679808765 is a deficient number, since it is larger than the sum of its proper divisors (66440447235).

70679808765 is a wasteful number, since it uses less digits than its factorization.

70679808765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2096 (or 2090 counting only the distinct ones).

The product of its (nonzero) digits is 35562240, while the sum is 63.

The spelling of 70679808765 in words is "seventy billion, six hundred seventy-nine million, eight hundred eight thousand, seven hundred sixty-five".