870612138222764 has 24 divisors (see below), whose sum is σ = 1741237871331840. Its totient is φ = 373116574619856.

The previous prime is 870612138222737. The next prime is 870612138222787. The reversal of 870612138222764 is 467222831216078.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117730724 + ... + 124906955.

It is an arithmetic number, because the mean of its divisors is an integer number (72551577972160).

Almost surely, 2^{870612138222764} is an apocalyptic number.

It is an amenable number.

870612138222764 is an abundant number, since it is smaller than the sum of its proper divisors (870625733109076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

870612138222764 is a wasteful number, since it uses less digits than its factorization.

870612138222764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242765837 (or 242765835 counting only the distinct ones).

The product of its (nonzero) digits is 21676032, while the sum is 59.

The spelling of 870612138222764 in words is "eight hundred seventy trillion, six hundred twelve billion, one hundred thirty-eight million, two hundred twenty-two thousand, seven hundred sixty-four".