25153660879 has 8 divisors (see below), whose sum is σ = 25393991040. Its totient is φ = 24913504800.

The previous prime is 25153660859. The next prime is 25153660907. The reversal of 25153660879 is 97806635152.

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 25153660879 - 2²⁵ = 25120106447 is a prime.

It is a super-3 number, since 3×25153660879³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25153660849) 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, 256674 + ... + 340864.

It is an arithmetic number, because the mean of its divisors is an integer number (3174248880).

Almost surely, 2^25153660879 is an apocalyptic number.

25153660879 is a deficient number, since it is larger than the sum of its proper divisors (240330161).

25153660879 is a wasteful number, since it uses less digits than its factorization.

25153660879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87041.

The product of its (nonzero) digits is 2721600, while the sum is 52.

The spelling of 25153660879 in words is "twenty-five billion, one hundred fifty-three million, six hundred sixty thousand, eight hundred seventy-nine".