2279039988 has 24 divisors (see below), whose sum is σ = 5318534592. Its totient is φ = 759569344.

The previous prime is 2279039963. The next prime is 2279040013. The reversal of 2279039988 is 8899309722.

It is an interprime number because it is at equal distance from previous prime (2279039963) and next prime (2279040013).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 144256 + ... + 159272.

It is an arithmetic number, because the mean of its divisors is an integer number (221605608).

Almost surely, 2^2279039988 is an apocalyptic number.

It is an amenable number.

2279039988 is an abundant number, since it is smaller than the sum of its proper divisors (3039494604).

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

2279039988 is a wasteful number, since it uses less digits than its factorization.

2279039988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27671 (or 27669 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 57.

The square root of 2279039988 is about 47739.2918673916. The cubic root of 2279039988 is about 1315.9841193502.

The spelling of 2279039988 in words is "two billion, two hundred seventy-nine million, thirty-nine thousand, nine hundred eighty-eight".