8500747944 has 64 divisors (see below), whose sum is σ = 23038323840. Its totient is φ = 2598278400.

The previous prime is 8500747909. The next prime is 8500747979. The reversal of 8500747944 is 4497470058.

It is an interprime number because it is at equal distance from previous prime (8500747909) and next prime (8500747979).

It is a junction number, because it is equal to n+sod(n) for n = 8500747893 and 8500747902.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43107 + ... + 137330.

It is an arithmetic number, because the mean of its divisors is an integer number (359973810).

Almost surely, 2^8500747944 is an apocalyptic number.

It is an amenable number.

8500747944 is an abundant number, since it is smaller than the sum of its proper divisors (14537575896).

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

8500747944 is a wasteful number, since it uses less digits than its factorization.

8500747944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180610 (or 180606 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 48.

The square root of 8500747944 is about 92199.5007795595. The cubic root of 8500747944 is about 2040.8874089960.

The spelling of 8500747944 in words is "eight billion, five hundred million, seven hundred forty-seven thousand, nine hundred forty-four".