8151332247 has 12 divisors (see below), whose sum is σ = 12024660960. Its totient is φ = 5318599488.

The previous prime is 8151332243. The next prime is 8151332257. The reversal of 8151332247 is 7422331518.

8151332247 is a `hidden beast` number, since 81 + 5 + 1 + 332 + 247 = 666.

It is not a de Polignac number, because 8151332247 - 2² = 8151332243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8151332243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9634722 + ... + 9635567.

It is an arithmetic number, because the mean of its divisors is an integer number (1002055080).

Almost surely, 2^8151332247 is an apocalyptic number.

8151332247 is a deficient number, since it is larger than the sum of its proper divisors (3873328713).

8151332247 is a wasteful number, since it uses less digits than its factorization.

8151332247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19270342 (or 19270339 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 8151332247 is about 90284.7287585226. The cubic root of 8151332247 is about 2012.5323269475.

The spelling of 8151332247 in words is "eight billion, one hundred fifty-one million, three hundred thirty-two thousand, two hundred forty-seven".