25678982031 has 8 divisors (see below), whose sum is σ = 35419285680. Its totient is φ = 16528999872.

The previous prime is 25678982027. The next prime is 25678982033. The reversal of 25678982031 is 13028987652.

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

It is not a de Polignac number, because 25678982031 - 2² = 25678982027 is a prime.

It is a super-2 number, since 2×25678982031² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25678982033) 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, 147580270 + ... + 147580443.

It is an arithmetic number, because the mean of its divisors is an integer number (4427410710).

Almost surely, 2^25678982031 is an apocalyptic number.

25678982031 is a deficient number, since it is larger than the sum of its proper divisors (9740303649).

25678982031 is a wasteful number, since it uses less digits than its factorization.

25678982031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295160745.

The product of its (nonzero) digits is 1451520, while the sum is 51.

The spelling of 25678982031 in words is "twenty-five billion, six hundred seventy-eight million, nine hundred eighty-two thousand, thirty-one".