27572051397 has 32 divisors (see below), whose sum is σ = 41503248000. Its totient is φ = 16128080640.

The previous prime is 27572051393. The next prime is 27572051399. The reversal of 27572051397 is 79315027572.

It is not a de Polignac number, because 27572051397 - 2² = 27572051393 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27572051393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4694979 + ... + 4700847.

It is an arithmetic number, because the mean of its divisors is an integer number (1296976500).

Almost surely, 2^27572051397 is an apocalyptic number.

It is an amenable number.

27572051397 is a deficient number, since it is larger than the sum of its proper divisors (13931196603).

27572051397 is a wasteful number, since it uses less digits than its factorization.

27572051397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10821.

The product of its (nonzero) digits is 926100, while the sum is 48.

The spelling of 27572051397 in words is "twenty-seven billion, five hundred seventy-two million, fifty-one thousand, three hundred ninety-seven".