118108777 has 2 divisors, whose sum is σ = 118108778. Its totient is φ = 118108776.

The previous prime is 118108747. The next prime is 118108799. The reversal of 118108777 is 777801811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117961321 + 147456 = 10861^2 + 384^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118108777 is a prime.

It is not a weakly prime, because it can be changed into another prime (118108747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59054388 + 59054389.

It is an arithmetic number, because the mean of its divisors is an integer number (59054389).

Almost surely, 2^118108777 is an apocalyptic number.

It is an amenable number.

118108777 is a deficient number, since it is larger than the sum of its proper divisors (1).

118108777 is an equidigital number, since it uses as much as digits as its factorization.

118108777 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21952, while the sum is 40.

The square root of 118108777 is about 10867.7862051110. The cubic root of 118108777 is about 490.6374834856.

The spelling of 118108777 in words is "one hundred eighteen million, one hundred eight thousand, seven hundred seventy-seven".