797521488 has 20 divisors (see below), whose sum is σ = 2060263968. Its totient is φ = 265840480.

The previous prime is 797521477. The next prime is 797521537. The reversal of 797521488 is 884125797.

It is a self number, because there is not a number n which added to its sum of digits gives 797521488.

It is a congruent number.

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, 8307468 + ... + 8307563.

Almost surely, 2^797521488 is an apocalyptic number.

It is an amenable number.

797521488 is an abundant number, since it is smaller than the sum of its proper divisors (1262742480).

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

797521488 is a wasteful number, since it uses less digits than its factorization.

797521488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16615042 (or 16615036 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 51.

The square root of 797521488 is about 28240.4229430085. The cubic root of 797521488 is about 927.3580888317.

The spelling of 797521488 in words is "seven hundred ninety-seven million, five hundred twenty-one thousand, four hundred eighty-eight".