25819065079 has 8 divisors (see below), whose sum is σ = 26282278080. Its totient is φ = 25358812416.

The previous prime is 25819065071. The next prime is 25819065091. The reversal of 25819065079 is 97056091852.

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

It is not a de Polignac number, because 25819065079 - 2³ = 25819065071 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 (25819065071) 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, 722482 + ... + 757375.

It is an arithmetic number, because the mean of its divisors is an integer number (3285284760).

Almost surely, 2^25819065079 is an apocalyptic number.

25819065079 is a deficient number, since it is larger than the sum of its proper divisors (463213001).

25819065079 is a wasteful number, since it uses less digits than its factorization.

25819065079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1480169.

The product of its (nonzero) digits is 1360800, while the sum is 52.

The spelling of 25819065079 in words is "twenty-five billion, eight hundred nineteen million, sixty-five thousand, seventy-nine".