25958796387 has 16 divisors (see below), whose sum is σ = 34796793600. Its totient is φ = 17213388192.

The previous prime is 25958796371. The next prime is 25958796403. The reversal of 25958796387 is 78369785952.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (25958796371) and next prime (25958796403).

It is not a de Polignac number, because 25958796387 - 2⁴ = 25958796371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25958796287) 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, 2821008 + ... + 2830194.

It is an arithmetic number, because the mean of its divisors is an integer number (2174799600).

Almost surely, 2^25958796387 is an apocalyptic number.

25958796387 is a deficient number, since it is larger than the sum of its proper divisors (8837997213).

25958796387 is a wasteful number, since it uses less digits than its factorization.

25958796387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14122.

The product of its digits is 228614400, while the sum is 69.

The spelling of 25958796387 in words is "twenty-five billion, nine hundred fifty-eight million, seven hundred ninety-six thousand, three hundred eighty-seven".