797586920 has 64 divisors (see below), whose sum is σ = 1935919440. Its totient is φ = 293990400.

The previous prime is 797586901. The next prime is 797586931. The reversal of 797586920 is 29685797.

It can be written as a sum of positive squares in 8 ways, for example, as 879844 + 796707076 = 938^2 + 28226^2 .

It is a super-2 number, since 2×797586920² = 1272289789910172800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 457250 + ... + 458990.

Almost surely, 2^797586920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 797586920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (967959720).

797586920 is an abundant number, since it is smaller than the sum of its proper divisors (1138332520).

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

797586920 is a wasteful number, since it uses less digits than its factorization.

797586920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2646 (or 2642 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 53.

The square root of 797586920 is about 28241.5814004811. The cubic root of 797586920 is about 927.3834495842.

The spelling of 797586920 in words is "seven hundred ninety-seven million, five hundred eighty-six thousand, nine hundred twenty".