921937950976 has 81 divisors (see below), whose sum is σ = 2140977309681. Its totient is φ = 395070176256.

The previous prime is 921937950959. The next prime is 921937951001. The reversal of 921937950976 is 679059739129.

The square root of 921937950976 is 960176.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 298116000000 + 623821950976 = 546000^2 + 789824^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 107535426 + ... + 107543998.

Almost surely, 2^921937950976 is an apocalyptic number.

921937950976 is the 960176-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 921937950976

921937950976 is an abundant number, since it is smaller than the sum of its proper divisors (1219039358705).

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

921937950976 is an frugal number, since it uses more digits than its factorization.

921937950976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17176 (or 8582 counting only the distinct ones).

The product of its (nonzero) digits is 57868020, while the sum is 67.

The spelling of 921937950976 in words is "nine hundred twenty-one billion, nine hundred thirty-seven million, nine hundred fifty thousand, nine hundred seventy-six".