8157926154 has 32 divisors (see below), whose sum is σ = 18649889280. Its totient is φ = 2330435952.

The previous prime is 8157926137. The next prime is 8157926191. The reversal of 8157926154 is 4516297518.

It is a happy number.

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, 303057 + ... + 328875.

It is an arithmetic number, because the mean of its divisors is an integer number (582809040).

Almost surely, 2^8157926154 is an apocalyptic number.

8157926154 is an abundant number, since it is smaller than the sum of its proper divisors (10491963126).

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

8157926154 is a wasteful number, since it uses less digits than its factorization.

8157926154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33354.

The product of its digits is 604800, while the sum is 48.

The square root of 8157926154 is about 90321.2386651113. The cubic root of 8157926154 is about 2013.0748507088.

The spelling of 8157926154 in words is "eight billion, one hundred fifty-seven million, nine hundred twenty-six thousand, one hundred fifty-four".