8158770942 has 32 divisors (see below), whose sum is σ = 18697347072. Its totient is φ = 2324986464.

The previous prime is 8158770889. The next prime is 8158770959. The reversal of 8158770942 is 2490778518.

It is a congruent 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, 237513 + ... + 269684.

It is an arithmetic number, because the mean of its divisors is an integer number (584292096).

Almost surely, 2^8158770942 is an apocalyptic number.

8158770942 is an abundant number, since it is smaller than the sum of its proper divisors (10538576130).

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

8158770942 is a wasteful number, since it uses less digits than its factorization.

8158770942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507592.

The product of its (nonzero) digits is 1128960, while the sum is 51.

The square root of 8158770942 is about 90325.9151185306. The cubic root of 8158770942 is about 2013.1443358020.

The spelling of 8158770942 in words is "eight billion, one hundred fifty-eight million, seven hundred seventy thousand, nine hundred forty-two".