27799950923 has 2 divisors, whose sum is σ = 27799950924. Its totient is φ = 27799950922.

The previous prime is 27799950901. The next prime is 27799950953. The reversal of 27799950923 is 32905999772.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27799950923 - 2¹⁰ = 27799949899 is a prime.

It is not a weakly prime, because it can be changed into another prime (27799950953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13899975461 + 13899975462.

It is an arithmetic number, because the mean of its divisors is an integer number (13899975462).

Almost surely, 2^27799950923 is an apocalyptic number.

27799950923 is a deficient number, since it is larger than the sum of its proper divisors (1).

27799950923 is an equidigital number, since it uses as much as digits as its factorization.

27799950923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19289340, while the sum is 62.

The spelling of 27799950923 in words is "twenty-seven billion, seven hundred ninety-nine million, nine hundred fifty thousand, nine hundred twenty-three".