807845994 has 32 divisors (see below), whose sum is σ = 1803746880. Its totient is φ = 268002000.

The previous prime is 807845989. The next prime is 807845999. The reversal of 807845994 is 499548708.

It is an interprime number because it is at equal distance from previous prime (807845989) and next prime (807845999).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 807845994.

It is not an unprimeable number, because it can be changed into a prime (807845999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24057 + ... + 46844.

It is an arithmetic number, because the mean of its divisors is an integer number (56367090).

Almost surely, 2^807845994 is an apocalyptic number.

807845994 is an abundant number, since it is smaller than the sum of its proper divisors (995900886).

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

807845994 is a wasteful number, since it uses less digits than its factorization.

807845994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71123 (or 71117 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The square root of 807845994 is about 28422.6317219219. The cubic root of 807845994 is about 931.3427222722.

The spelling of 807845994 in words is "eight hundred seven million, eight hundred forty-five thousand, nine hundred ninety-four".