214981977 has 8 divisors (see below), whose sum is σ = 327591616. Its totient is φ = 122846832.

The previous prime is 214981967. The next prime is 214981981. The reversal of 214981977 is 779189412.

214981977 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 214981977 - 2⁴ = 214981961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214981937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5118598 + ... + 5118639.

It is an arithmetic number, because the mean of its divisors is an integer number (40948952).

Almost surely, 2^214981977 is an apocalyptic number.

It is an amenable number.

214981977 is a deficient number, since it is larger than the sum of its proper divisors (112609639).

214981977 is a wasteful number, since it uses less digits than its factorization.

214981977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10237247.

The product of its digits is 254016, while the sum is 48.

The square root of 214981977 is about 14662.2637065359. The cubic root of 214981977 is about 599.0559013532.

The spelling of 214981977 in words is "two hundred fourteen million, nine hundred eighty-one thousand, nine hundred seventy-seven".