797902464 has 64 divisors (see below), whose sum is σ = 2151131040. Its totient is φ = 261989376.

The previous prime is 797902403. The next prime is 797902471. The reversal of 797902464 is 464209797.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (48).

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 7 ways as a sum of consecutive naturals, for example, 10222 + ... + 41234.

Almost surely, 2^797902464 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 797902464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1075565520).

797902464 is an abundant number, since it is smaller than the sum of its proper divisors (1353228576).

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

797902464 is a wasteful number, since it uses less digits than its factorization.

797902464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31097 (or 31085 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 48.

The square root of 797902464 is about 28247.1673624100. The cubic root of 797902464 is about 927.5057316385.

The spelling of 797902464 in words is "seven hundred ninety-seven million, nine hundred two thousand, four hundred sixty-four".