214479077 has 4 divisors (see below), whose sum is σ = 219710316. Its totient is φ = 209247840.

The previous prime is 214479073. The next prime is 214479079. The reversal of 214479077 is 770974412.

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 22905796 + 191573281 = 4786^2 + 13841^2 .

It is a cyclic number.

It is not a de Polignac number, because 214479077 - 2² = 214479073 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 5231197 = 214479077 / (2 + 1 + 4 + 4 + 7 + 9 + 0 + 7 + 7).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214479073) 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 3 ways as a sum of consecutive naturals, for example, 2615558 + ... + 2615639.

It is an arithmetic number, because the mean of its divisors is an integer number (54927579).

Almost surely, 2^214479077 is an apocalyptic number.

It is an amenable number.

214479077 is a deficient number, since it is larger than the sum of its proper divisors (5231239).

214479077 is an equidigital number, since it uses as much as digits as its factorization.

214479077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5231238.

The product of its (nonzero) digits is 98784, while the sum is 41.

The square root of 214479077 is about 14645.1041990148. The cubic root of 214479077 is about 598.5884196354.

The spelling of 214479077 in words is "two hundred fourteen million, four hundred seventy-nine thousand, seventy-seven".