25387677678352 has 80 divisors (see below), whose sum is σ = 54821757111552. Its totient is φ = 11291268418560.

The previous prime is 25387677678347. The next prime is 25387677678359.

25387677678352 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (25387677678359) 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, 284613 + ... + 7131364.

Almost surely, 2^{25387677678352} is an apocalyptic number.

25387677678352 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25387677678352 is an abundant number, since it is smaller than the sum of its proper divisors (29434079433200).

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

25387677678352 is a wasteful number, since it uses less digits than its factorization.

25387677678352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7416416 (or 7416410 counting only the distinct ones).

The product of its digits is 4978713600, while the sum is 76.

The spelling of 25387677678352 in words is "twenty-five trillion, three hundred eighty-seven billion, six hundred seventy-seven million, six hundred seventy-eight thousand, three hundred fifty-two".