8621637932 has 48 divisors (see below), whose sum is σ = 15581002752. Its totient is φ = 4171806720.

The previous prime is 8621637863. The next prime is 8621637949. The reversal of 8621637932 is 2397361268.

It is a happy 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, 19911188 + ... + 19911620.

It is an arithmetic number, because the mean of its divisors is an integer number (324604224).

Almost surely, 2^8621637932 is an apocalyptic number.

8621637932 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is an amenable number.

8621637932 is a deficient number, since it is larger than the sum of its proper divisors (6959364820).

8621637932 is a wasteful number, since it uses less digits than its factorization.

8621637932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1178 (or 1176 counting only the distinct ones).

The product of its digits is 653184, while the sum is 47.

The square root of 8621637932 is about 92852.7755751006. The cubic root of 8621637932 is about 2050.5164617455.

The spelling of 8621637932 in words is "eight billion, six hundred twenty-one million, six hundred thirty-seven thousand, nine hundred thirty-two".