25378624371 has 8 divisors (see below), whose sum is σ = 33946276240. Its totient is φ = 16865027712.

The previous prime is 25378624363. The next prime is 25378624483. The reversal of 25378624371 is 17342687352.

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

It is not a de Polignac number, because 25378624371 - 2³ = 25378624363 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25378624371.

It is not an unprimeable number, because it can be changed into a prime (25378624351) 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, 13512706 + ... + 13514583.

It is an arithmetic number, because the mean of its divisors is an integer number (4243284530).

Almost surely, 2^25378624371 is an apocalyptic number.

25378624371 is a deficient number, since it is larger than the sum of its proper divisors (8567651869).

25378624371 is a wasteful number, since it uses less digits than its factorization.

25378624371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27027605.

The product of its digits is 1693440, while the sum is 48.

The spelling of 25378624371 in words is "twenty-five billion, three hundred seventy-eight million, six hundred twenty-four thousand, three hundred seventy-one".