27825152817 has 32 divisors (see below), whose sum is σ = 46538634240. Its totient is φ = 14365926720.

The previous prime is 27825152753. The next prime is 27825152827. The reversal of 27825152817 is 71825152872.

It is not a de Polignac number, because 27825152817 - 2⁶ = 27825152753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27825152827) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 331842 + ... + 407147.

It is an arithmetic number, because the mean of its divisors is an integer number (1454332320).

Almost surely, 2^27825152817 is an apocalyptic number.

It is an amenable number.

27825152817 is a deficient number, since it is larger than the sum of its proper divisors (18713481423).

27825152817 is a wasteful number, since it uses less digits than its factorization.

27825152817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739173.

The product of its digits is 627200, while the sum is 48.

The spelling of 27825152817 in words is "twenty-seven billion, eight hundred twenty-five million, one hundred fifty-two thousand, eight hundred seventeen".