27990960297 has 16 divisors (see below), whose sum is σ = 37807271040. Its totient is φ = 18418678272.

The previous prime is 27990960281. The next prime is 27990960299. The reversal of 27990960297 is 79206909972.

It is not a de Polignac number, because 27990960297 - 2⁴ = 27990960281 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27990960297.

It is not an unprimeable number, because it can be changed into a prime (27990960299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20397 + ... + 237482.

It is an arithmetic number, because the mean of its divisors is an integer number (2362954440).

Almost surely, 2^27990960297 is an apocalyptic number.

It is an amenable number.

27990960297 is a deficient number, since it is larger than the sum of its proper divisors (9816310743).

27990960297 is a wasteful number, since it uses less digits than its factorization.

27990960297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258352.

The product of its (nonzero) digits is 7715736, while the sum is 60.

The spelling of 27990960297 in words is "twenty-seven billion, nine hundred ninety million, nine hundred sixty thousand, two hundred ninety-seven".