8157937748 has 12 divisors (see below), whose sum is σ = 14662239732. Its totient is φ = 3968726400.

The previous prime is 8157937727. The next prime is 8157937751. The reversal of 8157937748 is 8477397518.

It can be written as a sum of positive squares in 2 ways, for example, as 7673409604 + 484528144 = 87598^2 + 22012^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27560453 + ... + 27560748.

It is an arithmetic number, because the mean of its divisors is an integer number (1221853311).

Almost surely, 2^8157937748 is an apocalyptic number.

It is an amenable number.

8157937748 is a deficient number, since it is larger than the sum of its proper divisors (6504301984).

8157937748 is a wasteful number, since it uses less digits than its factorization.

8157937748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55121242 (or 55121240 counting only the distinct ones).

The product of its digits is 11854080, while the sum is 59.

The square root of 8157937748 is about 90321.3028471135. The cubic root of 8157937748 is about 2013.0758043653.

The spelling of 8157937748 in words is "eight billion, one hundred fifty-seven million, nine hundred thirty-seven thousand, seven hundred forty-eight".