214888402277 has 4 divisors (see below), whose sum is σ = 214926994380. Its totient is φ = 214849810176.

The previous prime is 214888402259. The next prime is 214888402283. The reversal of 214888402277 is 772204888412.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 122590316641 + 92298085636 = 350129^2 + 303806^2 .

It is a cyclic number.

It is not a de Polignac number, because 214888402277 - 2¹² = 214888398181 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 (214888402237) 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, 19287698 + ... + 19298835.

It is an arithmetic number, because the mean of its divisors is an integer number (53731748595).

Almost surely, 2^214888402277 is an apocalyptic number.

It is an amenable number.

214888402277 is a deficient number, since it is larger than the sum of its proper divisors (38592103).

214888402277 is an equidigital number, since it uses as much as digits as its factorization.

214888402277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38592102.

The product of its (nonzero) digits is 3211264, while the sum is 53.

The spelling of 214888402277 in words is "two hundred fourteen billion, eight hundred eighty-eight million, four hundred two thousand, two hundred seventy-seven".