25748406807 has 16 divisors (see below), whose sum is σ = 34872848640. Its totient is φ = 16895592000.

The previous prime is 25748406779. The next prime is 25748406811. The reversal of 25748406807 is 70860484752.

It is not a de Polignac number, because 25748406807 - 2⁶ = 25748406743 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25748406807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25748406877) 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, 27444 + ... + 228582.

It is an arithmetic number, because the mean of its divisors is an integer number (2179553040).

Almost surely, 2^25748406807 is an apocalyptic number.

25748406807 is a deficient number, since it is larger than the sum of its proper divisors (9124441833).

25748406807 is a wasteful number, since it uses less digits than its factorization.

25748406807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201814.

The product of its (nonzero) digits is 3010560, while the sum is 51.

The spelling of 25748406807 in words is "twenty-five billion, seven hundred forty-eight million, four hundred six thousand, eight hundred seven".