27525163768 has 32 divisors (see below), whose sum is σ = 51931676160. Its totient is φ = 13676826240.

The previous prime is 27525163723. The next prime is 27525163793. The reversal of 27525163768 is 86736152572.

It is a happy number.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

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, 2306505 + ... + 2318407.

It is an arithmetic number, because the mean of its divisors is an integer number (1622864880).

Almost surely, 2^27525163768 is an apocalyptic number.

It is an amenable number.

27525163768 is a deficient number, since it is larger than the sum of its proper divisors (24406512392).

27525163768 is a wasteful number, since it uses less digits than its factorization.

27525163768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13687 (or 13683 counting only the distinct ones).

The product of its digits is 4233600, while the sum is 52.

The spelling of 27525163768 in words is "twenty-seven billion, five hundred twenty-five million, one hundred sixty-three thousand, seven hundred sixty-eight".