70127008257 has 24 divisors (see below), whose sum is σ = 98843220000. Its totient is φ = 44216125888.

The previous prime is 70127008253. The next prime is 70127008291. The reversal of 70127008257 is 75280072107.

It is not a de Polignac number, because 70127008257 - 2² = 70127008253 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70127008253) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107007 + ... + 389492.

It is an arithmetic number, because the mean of its divisors is an integer number (4118467500).

Almost surely, 2^70127008257 is an apocalyptic number.

It is an amenable number.

70127008257 is a deficient number, since it is larger than the sum of its proper divisors (28716211743).

70127008257 is a wasteful number, since it uses less digits than its factorization.

70127008257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496637 (or 496614 counting only the distinct ones).

The product of its (nonzero) digits is 54880, while the sum is 39.

The spelling of 70127008257 in words is "seventy billion, one hundred twenty-seven million, eight thousand, two hundred fifty-seven".