867507220680 has 64 divisors (see below), whose sum is σ = 2657894480640. Its totient is φ = 226413230592.

The previous prime is 867507220627. The next prime is 867507220693. The reversal of 867507220680 is 86022705768.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76901029 + ... + 76912308.

It is an arithmetic number, because the mean of its divisors is an integer number (41529601260).

Almost surely, 2^867507220680 is an apocalyptic number.

It is an amenable number.

867507220680 is an abundant number, since it is smaller than the sum of its proper divisors (1790387259960).

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

867507220680 is a wasteful number, since it uses less digits than its factorization.

867507220680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153813398 (or 153813394 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 51.

The spelling of 867507220680 in words is "eight hundred sixty-seven billion, five hundred seven million, two hundred twenty thousand, six hundred eighty".