8157848388 has 48 divisors (see below), whose sum is σ = 19218850560. Its totient is φ = 2693140000.

The previous prime is 8157848371. The next prime is 8157848401. The reversal of 8157848388 is 8838487518.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 531583 + ... + 546713.

It is an arithmetic number, because the mean of its divisors is an integer number (400392720).

Almost surely, 2^8157848388 is an apocalyptic number.

It is an amenable number.

8157848388 is an abundant number, since it is smaller than the sum of its proper divisors (11061002172).

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

8157848388 is a wasteful number, since it uses less digits than its factorization.

8157848388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15568 (or 15566 counting only the distinct ones).

The product of its digits is 13762560, while the sum is 60.

The square root of 8157848388 is about 90320.8081673321. The cubic root of 8157848388 is about 2013.0684540963.

The spelling of 8157848388 in words is "eight billion, one hundred fifty-seven million, eight hundred forty-eight thousand, three hundred eighty-eight".