677370666143 has 4 divisors (see below), whose sum is σ = 677372428608. Its totient is φ = 677368903680.

The previous prime is 677370666059. The next prime is 677370666169. The reversal of 677370666143 is 341666073776.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 677370666143 - 2¹² = 677370662047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677370636143) 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, 31823 + ... + 1164368.

It is an arithmetic number, because the mean of its divisors is an integer number (169343107152).

Almost surely, 2^677370666143 is an apocalyptic number.

677370666143 is a deficient number, since it is larger than the sum of its proper divisors (1762465).

677370666143 is a wasteful number, since it uses less digits than its factorization.

677370666143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1762464.

The product of its (nonzero) digits is 16003008, while the sum is 56.

The spelling of 677370666143 in words is "six hundred seventy-seven billion, three hundred seventy million, six hundred sixty-six thousand, one hundred forty-three".