867766920 has 64 divisors (see below), whose sum is σ = 2673673920. Its totient is φ = 225149184.

The previous prime is 867766919. The next prime is 867766943. The reversal of 867766920 is 29667768.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93282 + ... + 102161.

It is an arithmetic number, because the mean of its divisors is an integer number (41776155).

Almost surely, 2^867766920 is an apocalyptic number.

It is an amenable number.

867766920 is an abundant number, since it is smaller than the sum of its proper divisors (1805907000).

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

867766920 is a wasteful number, since it uses less digits than its factorization.

867766920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195494 (or 195490 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 51.

The square root of 867766920 is about 29457.8838343829. The cubic root of 867766920 is about 953.8227940663.

The spelling of 867766920 in words is "eight hundred sixty-seven million, seven hundred sixty-six thousand, nine hundred twenty".