8382631720 has 16 divisors (see below), whose sum is σ = 18860921460. Its totient is φ = 3353052672.

The previous prime is 8382631669. The next prime is 8382631837. The reversal of 8382631720 is 271362838.

It can be written as a sum of positive squares in 2 ways, for example, as 8269719844 + 112911876 = 90938^2 + 10626^2 .

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 209565793 = 8382631720 / (8 + 3 + 8 + 2 + 6 + 3 + 1 + 7 + 2 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104782857 + ... + 104782936.

Almost surely, 2^8382631720 is an apocalyptic number.

It is an amenable number.

8382631720 is an abundant number, since it is smaller than the sum of its proper divisors (10478289740).

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

8382631720 is a wasteful number, since it uses less digits than its factorization.

8382631720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209565804 (or 209565800 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 8382631720 is about 91556.7131345375. The cubic root of 8382631720 is about 2031.3907106689.

The spelling of 8382631720 in words is "eight billion, three hundred eighty-two million, six hundred thirty-one thousand, seven hundred twenty".