8674961820 has 48 divisors (see below), whose sum is σ = 27759879168. Its totient is φ = 1982848320.

The previous prime is 8674961767. The next prime is 8674961837. The reversal of 8674961820 is 281694768.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10326916 + ... + 10327755.

It is an arithmetic number, because the mean of its divisors is an integer number (578330816).

Almost surely, 2^8674961820 is an apocalyptic number.

It is an amenable number.

8674961820 is an abundant number, since it is smaller than the sum of its proper divisors (19084917348).

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

8674961820 is a wasteful number, since it uses less digits than its factorization.

8674961820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20654690 (or 20654688 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 51.

The square root of 8674961820 is about 93139.4750897813. The cubic root of 8674961820 is about 2054.7351829300.

The spelling of 8674961820 in words is "eight billion, six hundred seventy-four million, nine hundred sixty-one thousand, eight hundred twenty".