25916676139 has 8 divisors (see below), whose sum is σ = 26278421840. Its totient is φ = 25557184800.

The previous prime is 25916676131. The next prime is 25916676187. The reversal of 25916676139 is 93167661952.

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

It is a cyclic number.

It is not a de Polignac number, because 25916676139 - 2³ = 25916676131 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25916676139.

It is not an unprimeable number, because it can be changed into a prime (25916676131) 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, 540432 + ... + 586429.

It is an arithmetic number, because the mean of its divisors is an integer number (3284802730).

Almost surely, 2^25916676139 is an apocalyptic number.

25916676139 is a deficient number, since it is larger than the sum of its proper divisors (361745701).

25916676139 is a wasteful number, since it uses less digits than its factorization.

25916676139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127181.

The product of its digits is 3674160, while the sum is 55.

The spelling of 25916676139 in words is "twenty-five billion, nine hundred sixteen million, six hundred seventy-six thousand, one hundred thirty-nine".