8871815398 has 16 divisors (see below), whose sum is σ = 14112343584. Its totient is φ = 4168508800.

The previous prime is 8871815389. The next prime is 8871815399. The reversal of 8871815398 is 8935181788.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8871815399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179653 + ... + 223648.

It is an arithmetic number, because the mean of its divisors is an integer number (882021474).

Almost surely, 2^8871815398 is an apocalyptic number.

8871815398 is a deficient number, since it is larger than the sum of its proper divisors (5240528186).

8871815398 is a wasteful number, since it uses less digits than its factorization.

8871815398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403967.

The product of its digits is 3870720, while the sum is 58.

The square root of 8871815398 is about 94190.3147781129. The cubic root of 8871815398 is about 2070.1612045880.

The spelling of 8871815398 in words is "eight billion, eight hundred seventy-one million, eight hundred fifteen thousand, three hundred ninety-eight".