70368871870 has 16 divisors (see below), whose sum is σ = 138178875888. Its totient is φ = 25588680640.

The previous prime is 70368871861. The next prime is 70368871897. The reversal of 70368871870 is 7817886307.

It is a Harshad number since it is a multiple of its sum of digits (55).

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 7 ways as a sum of consecutive naturals, for example, 319858399 + ... + 319858618.

It is an arithmetic number, because the mean of its divisors is an integer number (8636179743).

Almost surely, 2^70368871870 is an apocalyptic number.

70368871870 is a deficient number, since it is larger than the sum of its proper divisors (67810004018).

70368871870 is a wasteful number, since it uses less digits than its factorization.

70368871870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639717035.

The product of its (nonzero) digits is 3161088, while the sum is 55.

The spelling of 70368871870 in words is "seventy billion, three hundred sixty-eight million, eight hundred seventy-one thousand, eight hundred seventy".