25200002079 has 24 divisors (see below), whose sum is σ = 42485114880. Its totient is φ = 14093616528.

The previous prime is 25200002041. The next prime is 25200002137. The reversal of 25200002079 is 97020000252.

It is a happy number.

It is not a de Polignac number, because 25200002079 - 2¹⁷ = 25199871007 is a prime.

25200002079 is a modest number, since divided by 2079 gives 252 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25200003079) 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 23 ways as a sum of consecutive naturals, for example, 4252359 + ... + 4258280.

It is an arithmetic number, because the mean of its divisors is an integer number (1770213120).

Almost surely, 2^25200002079 is an apocalyptic number.

25200002079 is a deficient number, since it is larger than the sum of its proper divisors (17285112801).

25200002079 is a wasteful number, since it uses less digits than its factorization.

25200002079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8510699 (or 8510696 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The spelling of 25200002079 in words is "twenty-five billion, two hundred million, two thousand, seventy-nine".