2564387079 has 16 divisors (see below), whose sum is σ = 3606950400. Its totient is φ = 1616098176.

The previous prime is 2564387051. The next prime is 2564387081. The reversal of 2564387079 is 9707834652.

It is not a de Polignac number, because 2564387079 - 2¹² = 2564382983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2564387039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22194 + ... + 74975.

It is an arithmetic number, because the mean of its divisors is an integer number (225434400).

Almost surely, 2^2564387079 is an apocalyptic number.

2564387079 is a deficient number, since it is larger than the sum of its proper divisors (1042563321).

2564387079 is a wasteful number, since it uses less digits than its factorization.

2564387079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97654.

The product of its (nonzero) digits is 2540160, while the sum is 51.

The square root of 2564387079 is about 50639.7776357677. Note that the first 3 decimals coincide. The cubic root of 2564387079 is about 1368.7617488368.

The spelling of 2564387079 in words is "two billion, five hundred sixty-four million, three hundred eighty-seven thousand, seventy-nine".