8179251408 has 60 divisors (see below), whose sum is σ = 23679885060. Its totient is φ = 2632401408.

The previous prime is 8179251401. The next prime is 8179251433. The reversal of 8179251408 is 8041529718.

It can be written as a sum of positive squares in 2 ways, for example, as 1678377024 + 6500874384 = 40968^2 + 80628^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8179251401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 975141 + ... + 983492.

It is an arithmetic number, because the mean of its divisors is an integer number (394664751).

Almost surely, 2^8179251408 is an apocalyptic number.

It is an amenable number.

8179251408 is an abundant number, since it is smaller than the sum of its proper divisors (15500633652).

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

8179251408 is a wasteful number, since it uses less digits than its factorization.

8179251408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1958676 (or 1958667 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 45.

The square root of 8179251408 is about 90439.2138842438. The cubic root of 8179251408 is about 2014.8274194953.

The spelling of 8179251408 in words is "eight billion, one hundred seventy-nine million, two hundred fifty-one thousand, four hundred eight".