27976680229 has 4 divisors (see below), whose sum is σ = 27977455360. Its totient is φ = 27975905100.

The previous prime is 27976680217. The next prime is 27976680307. The reversal of 27976680229 is 92208667972.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 27976680229 - 2⁷ = 27976680101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27976680209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 330639 + ... + 406540.

It is an arithmetic number, because the mean of its divisors is an integer number (6994363840).

Almost surely, 2^27976680229 is an apocalyptic number.

It is an amenable number.

27976680229 is a deficient number, since it is larger than the sum of its proper divisors (775131).

27976680229 is an equidigital number, since it uses as much as digits as its factorization.

27976680229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775130.

The product of its (nonzero) digits is 9144576, while the sum is 58.

The spelling of 27976680229 in words is "twenty-seven billion, nine hundred seventy-six million, six hundred eighty thousand, two hundred twenty-nine".