25047727775 has 12 divisors (see below), whose sum is σ = 35496208752. Its totient is φ = 17175584640.

The previous prime is 25047727763. The next prime is 25047727823. The reversal of 25047727775 is 57772774052.

It is a happy number.

It is not a de Polignac number, because 25047727775 - 2²⁸ = 24779292319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71564762 + ... + 71565111.

It is an arithmetic number, because the mean of its divisors is an integer number (2958017396).

Almost surely, 2^25047727775 is an apocalyptic number.

25047727775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25047727775 is a deficient number, since it is larger than the sum of its proper divisors (10448480977).

25047727775 is a wasteful number, since it uses less digits than its factorization.

25047727775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143129890 (or 143129885 counting only the distinct ones).

The product of its (nonzero) digits is 6722800, while the sum is 53.

The spelling of 25047727775 in words is "twenty-five billion, forty-seven million, seven hundred twenty-seven thousand, seven hundred seventy-five".