8190979545 has 16 divisors (see below), whose sum is σ = 14977791360. Its totient is φ = 3744447744.

The previous prime is 8190979543. The next prime is 8190979561. The reversal of 8190979545 is 5459790918.

It is not a de Polignac number, because 8190979545 - 2¹ = 8190979543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8190979543) 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, 39004560 + ... + 39004769.

It is an arithmetic number, because the mean of its divisors is an integer number (936111960).

Almost surely, 2^8190979545 is an apocalyptic number.

It is an amenable number.

8190979545 is a deficient number, since it is larger than the sum of its proper divisors (6786811815).

8190979545 is a wasteful number, since it uses less digits than its factorization.

8190979545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78009344.

The product of its (nonzero) digits is 4082400, while the sum is 57.

The square root of 8190979545 is about 90504.0305456061. The cubic root of 8190979545 is about 2015.7899724019.

The spelling of 8190979545 in words is "eight billion, one hundred ninety million, nine hundred seventy-nine thousand, five hundred forty-five".