70987725215 has 24 divisors (see below), whose sum is σ = 93989627424. Its totient is φ = 51431019200.

The previous prime is 70987725199. The next prime is 70987725223. The reversal of 70987725215 is 51252778907.

It is not a de Polignac number, because 70987725215 - 2⁴ = 70987725199 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63956 + ... + 382185.

It is an arithmetic number, because the mean of its divisors is an integer number (3916234476).

Almost surely, 2^70987725215 is an apocalyptic number.

70987725215 is a deficient number, since it is larger than the sum of its proper divisors (23001902209).

70987725215 is a wasteful number, since it uses less digits than its factorization.

70987725215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446431 (or 446420 counting only the distinct ones).

The product of its (nonzero) digits is 2469600, while the sum is 53.

The spelling of 70987725215 in words is "seventy billion, nine hundred eighty-seven million, seven hundred twenty-five thousand, two hundred fifteen".