70657120099 has 8 divisors (see below), whose sum is σ = 71213432400. Its totient is φ = 70101064800.

The previous prime is 70657120087. The next prime is 70657120139. The reversal of 70657120099 is 99002175607.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70657120099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70657123099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 507709 + ... + 631729.

It is an arithmetic number, because the mean of its divisors is an integer number (8901679050).

Almost surely, 2^70657120099 is an apocalyptic number.

70657120099 is a deficient number, since it is larger than the sum of its proper divisors (556312301).

70657120099 is a wasteful number, since it uses less digits than its factorization.

70657120099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128501.

The product of its (nonzero) digits is 238140, while the sum is 46.

The spelling of 70657120099 in words is "seventy billion, six hundred fifty-seven million, one hundred twenty thousand, ninety-nine".