807494856 has 128 divisors (see below), whose sum is σ = 2453483520. Its totient is φ = 216463104.

The previous prime is 807494843. The next prime is 807494887. The reversal of 807494856 is 658494708.

It is a junction number, because it is equal to n+sod(n) for n = 807494799 and 807494808.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 202821 + ... + 206763.

It is an arithmetic number, because the mean of its divisors is an integer number (19167840).

Almost surely, 2^807494856 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 807494856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1226741760).

807494856 is an abundant number, since it is smaller than the sum of its proper divisors (1645988664).

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

807494856 is a wasteful number, since it uses less digits than its factorization.

807494856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4035 (or 4031 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 51.

The square root of 807494856 is about 28416.4539659684. The cubic root of 807494856 is about 931.2077637046.

The spelling of 807494856 in words is "eight hundred seven million, four hundred ninety-four thousand, eight hundred fifty-six".