118777671 has 12 divisors (see below), whose sum is σ = 177922472. Its totient is φ = 79184952.

The previous prime is 118777669. The next prime is 118777693. The reversal of 118777671 is 176777811.

It is not a de Polignac number, because 118777671 - 2¹ = 118777669 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 (118777621) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 244156 + ... + 244641.

Almost surely, 2^118777671 is an apocalyptic number.

118777671 is a deficient number, since it is larger than the sum of its proper divisors (59144801).

118777671 is an frugal number, since it uses more digits than its factorization.

118777671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488812 (or 488800 counting only the distinct ones).

The product of its digits is 115248, while the sum is 45.

The square root of 118777671 is about 10898.5169174526. The cubic root of 118777671 is about 491.5619613992.

The spelling of 118777671 in words is "one hundred eighteen million, seven hundred seventy-seven thousand, six hundred seventy-one".