8979201388 has 12 divisors (see below), whose sum is σ = 15714707400. Its totient is φ = 4489284992.

The previous prime is 8979201349. The next prime is 8979201409. The reversal of 8979201388 is 8831029798.

It is a super-2 number, since 2×8979201388² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7813 + ... + 134236.

It is an arithmetic number, because the mean of its divisors is an integer number (1309558950).

Almost surely, 2^8979201388 is an apocalyptic number.

It is an amenable number.

8979201388 is a deficient number, since it is larger than the sum of its proper divisors (6735506012).

8979201388 is a wasteful number, since it uses less digits than its factorization.

8979201388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157856 (or 157854 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 55.

The square root of 8979201388 is about 94758.6480908207. The cubic root of 8979201388 is about 2078.4802591477.

The spelling of 8979201388 in words is "eight billion, nine hundred seventy-nine million, two hundred one thousand, three hundred eighty-eight".