8109557355 has 16 divisors (see below), whose sum is σ = 12976980480. Its totient is φ = 4324534368.

The previous prime is 8109557341. The next prime is 8109557363. The reversal of 8109557355 is 5537559018.

It is not a de Polignac number, because 8109557355 - 2¹⁰ = 8109556331 is a prime.

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, 100894 + ... + 162476.

It is an arithmetic number, because the mean of its divisors is an integer number (811061280).

Almost surely, 2^8109557355 is an apocalyptic number.

8109557355 is a deficient number, since it is larger than the sum of its proper divisors (4867423125).

8109557355 is a wasteful number, since it uses less digits than its factorization.

8109557355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70370.

The product of its (nonzero) digits is 945000, while the sum is 48.

The square root of 8109557355 is about 90053.0807635141. The cubic root of 8109557355 is about 2009.0884173602.

The spelling of 8109557355 in words is "eight billion, one hundred nine million, five hundred fifty-seven thousand, three hundred fifty-five".