2515799879 has 4 divisors (see below), whose sum is σ = 2569327584. Its totient is φ = 2462272176.

The previous prime is 2515799873. The next prime is 2515799933. The reversal of 2515799879 is 9789975152.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2515799879 - 2⁴ = 2515799863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2515799873) 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 3 ways as a sum of consecutive naturals, for example, 26763782 + ... + 26763875.

It is an arithmetic number, because the mean of its divisors is an integer number (642331896).

Almost surely, 2^2515799879 is an apocalyptic number.

2515799879 is a deficient number, since it is larger than the sum of its proper divisors (53527705).

2515799879 is an equidigital number, since it uses as much as digits as its factorization.

2515799879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53527704.

The product of its digits is 14288400, while the sum is 62.

The square root of 2515799879 is about 50157.7499395657. The cubic root of 2515799879 is about 1360.0619707560.

The spelling of 2515799879 in words is "two billion, five hundred fifteen million, seven hundred ninety-nine thousand, eight hundred seventy-nine".