870640867631722 has 16 divisors (see below), whose sum is σ = 1425187236366432. Its totient is φ = 395606354411920.

The previous prime is 870640867631719. The next prime is 870640867631783. The reversal of 870640867631722 is 227136768046078.

It is a super-3 number, since 3×870640867631722³ (a number of 46 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6974661748 + ... + 6974786575.

It is an arithmetic number, because the mean of its divisors is an integer number (89074202272902).

Almost surely, 2^{870640867631722} is an apocalyptic number.

870640867631722 is a deficient number, since it is larger than the sum of its proper divisors (554546368734710).

870640867631722 is a wasteful number, since it uses less digits than its factorization.

870640867631722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13949451173.

The product of its (nonzero) digits is 227598336, while the sum is 67.

The spelling of 870640867631722 in words is "eight hundred seventy trillion, six hundred forty billion, eight hundred sixty-seven million, six hundred thirty-one thousand, seven hundred twenty-two".