25938870734 has 8 divisors (see below), whose sum is σ = 44466635568. Its totient is φ = 11116658880.

The previous prime is 25938870679. The next prime is 25938870739. The reversal of 25938870734 is 43707883952.

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

It is a self number, because there is not a number n which added to its sum of digits gives 25938870734.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25938870739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 926388227 + ... + 926388254.

It is an arithmetic number, because the mean of its divisors is an integer number (5558329446).

Almost surely, 2^25938870734 is an apocalyptic number.

25938870734 is a deficient number, since it is larger than the sum of its proper divisors (18527764834).

25938870734 is a wasteful number, since it uses less digits than its factorization.

25938870734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1852776490.

The product of its (nonzero) digits is 10160640, while the sum is 56.

The spelling of 25938870734 in words is "twenty-five billion, nine hundred thirty-eight million, eight hundred seventy thousand, seven hundred thirty-four".