928987761920 has 72 divisors (see below), whose sum is σ = 2225415089184. Its totient is φ = 371561859072.

The previous prime is 928987761907. The next prime is 928987761937. The reversal of 928987761920 is 29167789829.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18338867 + ... + 18389453.

Almost surely, 2^928987761920 is an apocalyptic number.

It is an amenable number.

928987761920 is an abundant number, since it is smaller than the sum of its proper divisors (1296427327264).

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

928987761920 is a wasteful number, since it uses less digits than its factorization.

928987761920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64955 (or 64941 counting only the distinct ones).

The product of its (nonzero) digits is 54867456, while the sum is 68.

The spelling of 928987761920 in words is "nine hundred twenty-eight billion, nine hundred eighty-seven million, seven hundred sixty-one thousand, nine hundred twenty".