797861580 has 48 divisors (see below), whose sum is σ = 2235237984. Its totient is φ = 212646400.

The previous prime is 797861573. The next prime is 797861591. The reversal of 797861580 is 85168797.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213730 + ... + 217430.

It is an arithmetic number, because the mean of its divisors is an integer number (46567458).

Almost surely, 2^797861580 is an apocalyptic number.

It is an amenable number.

797861580 is an abundant number, since it is smaller than the sum of its proper divisors (1437376404).

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

797861580 is a wasteful number, since it uses less digits than its factorization.

797861580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7306 (or 7304 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 51.

The square root of 797861580 is about 28246.4436699560. The cubic root of 797861580 is about 927.4898897724.

The spelling of 797861580 in words is "seven hundred ninety-seven million, eight hundred sixty-one thousand, five hundred eighty".