427655699 has 2 divisors, whose sum is σ = 427655700. Its totient is φ = 427655698.

The previous prime is 427655687. The next prime is 427655713. The reversal of 427655699 is 996556724.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 427655699 - 2²⁴ = 410878483 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 427655699.

It is not a weakly prime, because it can be changed into another prime (427655299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213827849 + 213827850.

It is an arithmetic number, because the mean of its divisors is an integer number (213827850).

Almost surely, 2^427655699 is an apocalyptic number.

427655699 is a deficient number, since it is larger than the sum of its proper divisors (1).

427655699 is an equidigital number, since it uses as much as digits as its factorization.

427655699 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4082400, while the sum is 53.

The square root of 427655699 is about 20679.8379829243. The cubic root of 427655699 is about 753.4100711284.

The spelling of 427655699 in words is "four hundred twenty-seven million, six hundred fifty-five thousand, six hundred ninety-nine".