25928545278 has 16 divisors (see below), whose sum is σ = 53258634000. Its totient is φ = 8409257856.

The previous prime is 25928545267. The next prime is 25928545343. The reversal of 25928545278 is 87254582952.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58397403 + ... + 58397846.

It is an arithmetic number, because the mean of its divisors is an integer number (3328664625).

Almost surely, 2^25928545278 is an apocalyptic number.

25928545278 is an abundant number, since it is smaller than the sum of its proper divisors (27330088722).

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

25928545278 is a wasteful number, since it uses less digits than its factorization.

25928545278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116795291.

The product of its digits is 16128000, while the sum is 57.

The spelling of 25928545278 in words is "twenty-five billion, nine hundred twenty-eight million, five hundred forty-five thousand, two hundred seventy-eight".