677899111 has 4 divisors (see below), whose sum is σ = 680037912. Its totient is φ = 675760312.

The previous prime is 677899067. The next prime is 677899121. The reversal of 677899111 is 111998776.

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

It is a de Polignac number, because none of the positive numbers 2^k-677899111 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 (677899121) 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, 1068925 + ... + 1069558.

It is an arithmetic number, because the mean of its divisors is an integer number (170009478).

Almost surely, 2^677899111 is an apocalyptic number.

677899111 is a deficient number, since it is larger than the sum of its proper divisors (2138801).

677899111 is a wasteful number, since it uses less digits than its factorization.

677899111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2138800.

The product of its digits is 190512, while the sum is 49.

The square root of 677899111 is about 26036.4957511567. The cubic root of 677899111 is about 878.4593873321.

The spelling of 677899111 in words is "six hundred seventy-seven million, eight hundred ninety-nine thousand, one hundred eleven".