8509259274 has 16 divisors (see below), whose sum is σ = 17083230912. Its totient is φ = 2825634368.

The previous prime is 8509259263. The next prime is 8509259279. The reversal of 8509259274 is 4729529058.

It is not an unprimeable number, because it can be changed into a prime (8509259279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2694639 + ... + 2697794.

It is an arithmetic number, because the mean of its divisors is an integer number (1067701932).

Almost surely, 2^8509259274 is an apocalyptic number.

8509259274 is an abundant number, since it is smaller than the sum of its proper divisors (8573971638).

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

8509259274 is a wasteful number, since it uses less digits than its factorization.

8509259274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5392701.

The product of its (nonzero) digits is 1814400, while the sum is 51.

The square root of 8509259274 is about 92245.6463688124. The cubic root of 8509259274 is about 2041.5683244534.

The spelling of 8509259274 in words is "eight billion, five hundred nine million, two hundred fifty-nine thousand, two hundred seventy-four".