865562496 has 96 divisors (see below), whose sum is σ = 2404023720. Its totient is φ = 275911680.

The previous prime is 865562479. The next prime is 865562513. The reversal of 865562496 is 694265568.

It is an interprime number because it is at equal distance from previous prime (865562479) and next prime (865562513).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 201006 + ... + 205266.

Almost surely, 2^865562496 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 865562496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1202011860).

865562496 is an abundant number, since it is smaller than the sum of its proper divisors (1538461224).

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

865562496 is a wasteful number, since it uses less digits than its factorization.

865562496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4324 (or 4289 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 51.

The square root of 865562496 is about 29420.4435044749. The cubic root of 865562496 is about 953.0144307476.

The spelling of 865562496 in words is "eight hundred sixty-five million, five hundred sixty-two thousand, four hundred ninety-six".