214577797 has 4 divisors (see below), whose sum is σ = 245231776. Its totient is φ = 183923820.

The previous prime is 214577771. The next prime is 214577801. The reversal of 214577797 is 797775412.

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 214577797 - 2⁷ = 214577669 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 214577797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214577717) 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, 15326979 + ... + 15326992.

It is an arithmetic number, because the mean of its divisors is an integer number (61307944).

Almost surely, 2^214577797 is an apocalyptic number.

It is an amenable number.

214577797 is a deficient number, since it is larger than the sum of its proper divisors (30653979).

214577797 is an equidigital number, since it uses as much as digits as its factorization.

214577797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30653978.

The product of its digits is 864360, while the sum is 49.

The square root of 214577797 is about 14648.4742208873. The cubic root of 214577797 is about 598.6802445748.

The spelling of 214577797 in words is "two hundred fourteen million, five hundred seventy-seven thousand, seven hundred ninety-seven".