214656477 has 8 divisors (see below), whose sum is σ = 327095616. Its totient is φ = 122660832.

The previous prime is 214656461. The next prime is 214656487. The reversal of 214656477 is 774656412.

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

It is not a de Polignac number, because 214656477 - 2⁴ = 214656461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214656437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5110848 + ... + 5110889.

It is an arithmetic number, because the mean of its divisors is an integer number (40886952).

Almost surely, 2^214656477 is an apocalyptic number.

It is an amenable number.

214656477 is a deficient number, since it is larger than the sum of its proper divisors (112439139).

214656477 is a wasteful number, since it uses less digits than its factorization.

214656477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10221747.

The product of its digits is 282240, while the sum is 42.

The square root of 214656477 is about 14651.1595786818. The cubic root of 214656477 is about 598.7534090342.

The spelling of 214656477 in words is "two hundred fourteen million, six hundred fifty-six thousand, four hundred seventy-seven".