25872688461 has 8 divisors (see below), whose sum is σ = 34689638880. Its totient is φ = 17152098512.

The previous prime is 25872688453. The next prime is 25872688507. The reversal of 25872688461 is 16488627852.

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 25872688461 - 2³ = 25872688453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25872683461) 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, 24089490 + ... + 24090563.

It is an arithmetic number, because the mean of its divisors is an integer number (4336204860).

Almost surely, 2^25872688461 is an apocalyptic number.

It is an amenable number.

25872688461 is a deficient number, since it is larger than the sum of its proper divisors (8816950419).

25872688461 is a wasteful number, since it uses less digits than its factorization.

25872688461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48180235.

The product of its digits is 10321920, while the sum is 57.

The spelling of 25872688461 in words is "twenty-five billion, eight hundred seventy-two million, six hundred eighty-eight thousand, four hundred sixty-one".