900766777164 has 12 divisors (see below), whose sum is σ = 2101789146744. Its totient is φ = 300255592384.

The previous prime is 900766777139. The next prime is 900766777171. The reversal of 900766777164 is 461777667009.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×900766777164² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 900766777098 and 900766777107.

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, 37531949037 + ... + 37531949060.

It is an arithmetic number, because the mean of its divisors is an integer number (175149095562).

Almost surely, 2^900766777164 is an apocalyptic number.

It is an amenable number.

900766777164 is an abundant number, since it is smaller than the sum of its proper divisors (1201022369580).

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

900766777164 is a wasteful number, since it uses less digits than its factorization.

900766777164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75063898104 (or 75063898102 counting only the distinct ones).

The product of its (nonzero) digits is 18670176, while the sum is 60.

The spelling of 900766777164 in words is "nine hundred billion, seven hundred sixty-six million, seven hundred seventy-seven thousand, one hundred sixty-four".