8062920921 has 48 divisors (see below), whose sum is σ = 12413089728. Its totient is φ = 4616179200.

The previous prime is 8062920919. The next prime is 8062920937. The reversal of 8062920921 is 1290292608.

It is not a de Polignac number, because 8062920921 - 2¹ = 8062920919 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8062920921.

It is not an unprimeable number, because it can be changed into a prime (8062920961) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5443501 + ... + 5444981.

It is an arithmetic number, because the mean of its divisors is an integer number (258606036).

Almost surely, 2^8062920921 is an apocalyptic number.

It is an amenable number.

8062920921 is a deficient number, since it is larger than the sum of its proper divisors (4350168807).

8062920921 is a wasteful number, since it uses less digits than its factorization.

8062920921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1990 (or 1971 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 8062920921 is about 89793.7688316957. The cubic root of 8062920921 is about 2005.2297231617.

The spelling of 8062920921 in words is "eight billion, sixty-two million, nine hundred twenty thousand, nine hundred twenty-one".