869957456 has 40 divisors (see below), whose sum is σ = 1787921280. Its totient is φ = 408651264.

The previous prime is 869957453. The next prime is 869957477. The reversal of 869957456 is 654759968.

It is a junction number, because it is equal to n+sod(n) for n = 869957395 and 869957404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (869957453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165785 + ... + 170951.

It is an arithmetic number, because the mean of its divisors is an integer number (44698032).

Almost surely, 2^869957456 is an apocalyptic number.

It is an amenable number.

869957456 is an abundant number, since it is smaller than the sum of its proper divisors (917963824).

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

869957456 is a wasteful number, since it uses less digits than its factorization.

869957456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5811 (or 5805 counting only the distinct ones).

The product of its digits is 16329600, while the sum is 59.

The square root of 869957456 is about 29495.0412103459. The cubic root of 869957456 is about 954.6247096802.

The spelling of 869957456 in words is "eight hundred sixty-nine million, nine hundred fifty-seven thousand, four hundred fifty-six".