25980627971284 has 24 divisors (see below), whose sum is σ = 52065386744000. Its totient is φ = 11112241101696.

The previous prime is 25980627971281. The next prime is 25980627971299. The reversal of 25980627971284 is 48217972608952.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25980627971281) 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, 929725077 + ... + 929753020.

Almost surely, 2^{25980627971284} is an apocalyptic number.

It is an amenable number.

25980627971284 is an abundant number, since it is smaller than the sum of its proper divisors (26084758772716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25980627971284 is a wasteful number, since it uses less digits than its factorization.

25980627971284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1859478607 (or 1859478605 counting only the distinct ones).

The product of its (nonzero) digits is 243855360, while the sum is 70.

The spelling of 25980627971284 in words is "twenty-five trillion, nine hundred eighty billion, six hundred twenty-seven million, nine hundred seventy-one thousand, two hundred eighty-four".