27807097225 has 12 divisors (see below), whose sum is σ = 34483824144. Its totient is φ = 22243727120.

The previous prime is 27807097207. The next prime is 27807097231. The reversal of 27807097225 is 52279070872.

It is a happy number.

It is not a de Polignac number, because 27807097225 - 2²³ = 27798708617 is a prime.

It is a Duffinian 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, 287502 + ... + 371848.

It is an arithmetic number, because the mean of its divisors is an integer number (2873652012).

Almost surely, 2^27807097225 is an apocalyptic number.

27807097225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27807097225 is a deficient number, since it is larger than the sum of its proper divisors (6676726919).

27807097225 is a wasteful number, since it uses less digits than its factorization.

27807097225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97544 (or 97539 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 49.

The spelling of 27807097225 in words is "twenty-seven billion, eight hundred seven million, ninety-seven thousand, two hundred twenty-five".