76899944 has 16 divisors (see below), whose sum is σ = 157295520. Its totient is φ = 34954480.

The previous prime is 76899941. The next prime is 76899947. The reversal of 76899944 is 44999867.

It is an interprime number because it is at equal distance from previous prime (76899941) and next prime (76899947).

It is a self number, because there is not a number n which added to its sum of digits gives 76899944.

It is not an unprimeable number, because it can be changed into a prime (76899941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 436844 + ... + 437019.

It is an arithmetic number, because the mean of its divisors is an integer number (9830970).

Almost surely, 2^76899944 is an apocalyptic number.

It is an amenable number.

76899944 is an abundant number, since it is smaller than the sum of its proper divisors (80395576).

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

76899944 is a wasteful number, since it uses less digits than its factorization.

76899944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873880 (or 873876 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 56.

The square root of 76899944 is about 8769.2613143867. The cubic root of 76899944 is about 425.2477337679.

The spelling of 76899944 in words is "seventy-six million, eight hundred ninety-nine thousand, nine hundred forty-four".