920387767868 has 12 divisors (see below), whose sum is σ = 1610799872472. Its totient is φ = 460159232880.

The previous prime is 920387767841. The next prime is 920387767891. The reversal of 920387767868 is 868767783029.

It is a super-2 number, since 2×920387767868² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8602955 + ... + 8709282.

It is an arithmetic number, because the mean of its divisors is an integer number (134233322706).

Almost surely, 2^920387767868 is an apocalyptic number.

It is an amenable number.

920387767868 is a deficient number, since it is larger than the sum of its proper divisors (690412104604).

920387767868 is a wasteful number, since it uses less digits than its factorization.

920387767868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17325532 (or 17325530 counting only the distinct ones).

The product of its (nonzero) digits is 341397504, while the sum is 71.

The spelling of 920387767868 in words is "nine hundred twenty billion, three hundred eighty-seven million, seven hundred sixty-seven thousand, eight hundred sixty-eight".