70195427977976 has 16 divisors (see below), whose sum is σ = 150418774238640. Its totient is φ = 30083754847680.

The previous prime is 70195427977957. The next prime is 70195427978021. The reversal of 70195427977976 is 67977972459107.

It is a super-2 number, since 2×70195427977976² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 70195427977976.

It is a congruent number.

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, 626744892605 + ... + 626744892716.

It is an arithmetic number, because the mean of its divisors is an integer number (9401173389915).

Almost surely, 2^{70195427977976} is an apocalyptic number.

It is an amenable number.

70195427977976 is an abundant number, since it is smaller than the sum of its proper divisors (80223346260664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70195427977976 is a wasteful number, since it uses less digits than its factorization.

70195427977976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1253489785334 (or 1253489785330 counting only the distinct ones).

The product of its (nonzero) digits is 2940552720, while the sum is 80.

The spelling of 70195427977976 in words is "seventy trillion, one hundred ninety-five billion, four hundred twenty-seven million, nine hundred seventy-seven thousand, nine hundred seventy-six".