2657379798 has 20 divisors (see below), whose sum is σ = 5954499540. Its totient is φ = 885793212.

The previous prime is 2657379731. The next prime is 2657379827. The reversal of 2657379798 is 8979737562.

It is a congruent number.

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 8201628 + ... + 8201951.

It is an arithmetic number, because the mean of its divisors is an integer number (297724977).

Almost surely, 2^2657379798 is an apocalyptic number.

2657379798 is an abundant number, since it is smaller than the sum of its proper divisors (3297119742).

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

2657379798 is a wasteful number, since it uses less digits than its factorization.

2657379798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16403593 (or 16403584 counting only the distinct ones).

The product of its digits is 40007520, while the sum is 63.

The square root of 2657379798 is about 51549.7798055433. The cubic root of 2657379798 is about 1385.1108875668.

The spelling of 2657379798 in words is "two billion, six hundred fifty-seven million, three hundred seventy-nine thousand, seven hundred ninety-eight".