677142699 has 4 divisors (see below), whose sum is σ = 902856936. Its totient is φ = 451428464.

The previous prime is 677142689. The next prime is 677142707. The reversal of 677142699 is 996241776.

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 677142699 - 2²³ = 668754091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (677142649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112857114 + ... + 112857119.

It is an arithmetic number, because the mean of its divisors is an integer number (225714234).

Almost surely, 2^677142699 is an apocalyptic number.

677142699 is a deficient number, since it is larger than the sum of its proper divisors (225714237).

677142699 is a wasteful number, since it uses less digits than its factorization.

677142699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225714236.

The product of its digits is 1143072, while the sum is 51.

The square root of 677142699 is about 26021.9657020756. The cubic root of 677142699 is about 878.1325321458.

The spelling of 677142699 in words is "six hundred seventy-seven million, one hundred forty-two thousand, six hundred ninety-nine".