8271878836 has 48 divisors (see below), whose sum is σ = 17375117760. Its totient is φ = 3404090880.

The previous prime is 8271878807. The next prime is 8271878837. The reversal of 8271878836 is 6388781728.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8271878837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229450 + ... + 263041.

It is an arithmetic number, because the mean of its divisors is an integer number (361981620).

Almost surely, 2^8271878836 is an apocalyptic number.

It is an amenable number.

8271878836 is an abundant number, since it is smaller than the sum of its proper divisors (9103238924).

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

8271878836 is a wasteful number, since it uses less digits than its factorization.

8271878836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492544 (or 492542 counting only the distinct ones).

The product of its digits is 7225344, while the sum is 58.

The square root of 8271878836 is about 90949.8699064490. The cubic root of 8271878836 is about 2022.4046483314.

The spelling of 8271878836 in words is "eight billion, two hundred seventy-one million, eight hundred seventy-eight thousand, eight hundred thirty-six".