70061061697957 has 32 divisors (see below), whose sum is σ = 79070693353344. Its totient is φ = 61522964428800.

The previous prime is 70061061697937. The next prime is 70061061697993. The reversal of 70061061697957 is 75979616016007.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70061061697957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70061061697937) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85344183 + ... + 86161195.

It is an arithmetic number, because the mean of its divisors is an integer number (2470959167292).

Almost surely, 2^{70061061697957} is an apocalyptic number.

It is an amenable number.

70061061697957 is a deficient number, since it is larger than the sum of its proper divisors (9009631655387).

70061061697957 is a wasteful number, since it uses less digits than its factorization.

70061061697957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818949.

The product of its (nonzero) digits is 30005640, while the sum is 64.

The spelling of 70061061697957 in words is "seventy trillion, sixty-one billion, sixty-one million, six hundred ninety-seven thousand, nine hundred fifty-seven".