8026921772 has 24 divisors (see below), whose sum is σ = 14161582512. Its totient is φ = 3980787200.

The previous prime is 8026921769. The next prime is 8026921781. The reversal of 8026921772 is 2771296208.

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, 1968728 + ... + 1972800.

It is an arithmetic number, because the mean of its divisors is an integer number (590065938).

Almost surely, 2^8026921772 is an apocalyptic number.

It is an amenable number.

8026921772 is a deficient number, since it is larger than the sum of its proper divisors (6134660740).

8026921772 is a wasteful number, since it uses less digits than its factorization.

8026921772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7969 (or 7967 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 44.

The square root of 8026921772 is about 89593.0899790827. The cubic root of 8026921772 is about 2002.2409690909.

The spelling of 8026921772 in words is "eight billion, twenty-six million, nine hundred twenty-one thousand, seven hundred seventy-two".