797496864 has 96 divisors (see below), whose sum is σ = 2151152640. Its totient is φ = 258600192.

The previous prime is 797496841. The next prime is 797496907. The reversal of 797496864 is 468694797.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 797496798 and 797496807.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 582709 + ... + 584075.

It is an arithmetic number, because the mean of its divisors is an integer number (22407840).

Almost surely, 2^797496864 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 797496864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1075576320).

797496864 is an abundant number, since it is smaller than the sum of its proper divisors (1353655776).

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

797496864 is a wasteful number, since it uses less digits than its factorization.

797496864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1542 (or 1534 counting only the distinct ones).

The product of its digits is 18289152, while the sum is 60.

The square root of 797496864 is about 28239.9869688355. The cubic root of 797496864 is about 927.3485444701.

The spelling of 797496864 in words is "seven hundred ninety-seven million, four hundred ninety-six thousand, eight hundred sixty-four".