27597838551 has 16 divisors (see below), whose sum is σ = 37079020800. Its totient is φ = 18258032448.

The previous prime is 27597838531. The next prime is 27597838579. The reversal of 27597838551 is 15583879572.

It is not a de Polignac number, because 27597838551 - 2⁹ = 27597838039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27597838501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208755 + ... + 314283.

It is an arithmetic number, because the mean of its divisors is an integer number (2317438800).

Almost surely, 2^27597838551 is an apocalyptic number.

27597838551 is a deficient number, since it is larger than the sum of its proper divisors (9481182249).

27597838551 is a wasteful number, since it uses less digits than its factorization.

27597838551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106198.

The product of its digits is 21168000, while the sum is 60.

The spelling of 27597838551 in words is "twenty-seven billion, five hundred ninety-seven million, eight hundred thirty-eight thousand, five hundred fifty-one".