70647711825 has 12 divisors (see below), whose sum is σ = 116804217008. Its totient is φ = 37678779600.

The previous prime is 70647711809. The next prime is 70647711839. The reversal of 70647711825 is 52811774607.

It is not a de Polignac number, because 70647711825 - 2⁴ = 70647711809 is a prime.

It is a super-2 number, since 2×70647711825² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 470984671 + ... + 470984820.

Almost surely, 2^70647711825 is an apocalyptic number.

70647711825 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

70647711825 is a deficient number, since it is larger than the sum of its proper divisors (46156505183).

70647711825 is a wasteful number, since it uses less digits than its factorization.

70647711825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941969504 (or 941969499 counting only the distinct ones).

The product of its (nonzero) digits is 658560, while the sum is 48.

The spelling of 70647711825 in words is "seventy billion, six hundred forty-seven million, seven hundred eleven thousand, eight hundred twenty-five".