2479887813 has 8 divisors (see below), whose sum is σ = 3560864608. Its totient is φ = 1526084784.

The previous prime is 2479887803. The next prime is 2479887857. The reversal of 2479887813 is 3187889742.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2479887813 - 2⁴ = 2479887797 is a prime.

It is a super-2 number, since 2×2479887813² = 12299687130131845938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2479887803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31793395 + ... + 31793472.

It is an arithmetic number, because the mean of its divisors is an integer number (445108076).

Almost surely, 2^2479887813 is an apocalyptic number.

It is an amenable number.

2479887813 is a deficient number, since it is larger than the sum of its proper divisors (1080976795).

2479887813 is a wasteful number, since it uses less digits than its factorization.

2479887813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63586883.

The product of its digits is 5419008, while the sum is 57.

The square root of 2479887813 is about 49798.4719946305. The cubic root of 2479887813 is about 1353.5594796207.

The spelling of 2479887813 in words is "two billion, four hundred seventy-nine million, eight hundred eighty-seven thousand, eight hundred thirteen".