677236217 has 16 divisors (see below), whose sum is σ = 806467200. Its totient is φ = 556416000.

The previous prime is 677236193. The next prime is 677236253. The reversal of 677236217 is 712632776.

It is not a de Polignac number, because 677236217 - 2¹² = 677232121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (677236267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16217 + ... + 40217.

It is an arithmetic number, because the mean of its divisors is an integer number (50404200).

Almost surely, 2^677236217 is an apocalyptic number.

It is an amenable number.

677236217 is a deficient number, since it is larger than the sum of its proper divisors (129230983).

677236217 is a wasteful number, since it uses less digits than its factorization.

677236217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24176.

The product of its digits is 148176, while the sum is 41.

The square root of 677236217 is about 26023.7625450280. The cubic root of 677236217 is about 878.1729556381.

The spelling of 677236217 in words is "six hundred seventy-seven million, two hundred thirty-six thousand, two hundred seventeen".