118777849 has 4 divisors (see below), whose sum is σ = 119931136. Its totient is φ = 117624564.

The previous prime is 118777847. The next prime is 118777859. The reversal of 118777849 is 948777811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 118777849 - 2¹ = 118777847 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 118777796 and 118777805.

It is not an unprimeable number, because it can be changed into a prime (118777847) 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, 576489 + ... + 576694.

It is an arithmetic number, because the mean of its divisors is an integer number (29982784).

Almost surely, 2^118777849 is an apocalyptic number.

It is an amenable number.

118777849 is a deficient number, since it is larger than the sum of its proper divisors (1153287).

118777849 is a wasteful number, since it uses less digits than its factorization.

118777849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153286.

The product of its digits is 790272, while the sum is 52.

The square root of 118777849 is about 10898.5250836983. The cubic root of 118777849 is about 491.5622069503.

The spelling of 118777849 in words is "one hundred eighteen million, seven hundred seventy-seven thousand, eight hundred forty-nine".