118664377 has 4 divisors (see below), whose sum is σ = 127792420. Its totient is φ = 109536336.

The previous prime is 118664363. The next prime is 118664387. The reversal of 118664377 is 773466811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 773466811 = 13 ⋅59497447.

It can be written as a sum of positive squares in 2 ways, for example, as 11417641 + 107246736 = 3379^2 + 10356^2 .

It is not a de Polignac number, because 118664377 - 2¹⁵ = 118631609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118664327) 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, 4564002 + ... + 4564027.

It is an arithmetic number, because the mean of its divisors is an integer number (31948105).

Almost surely, 2^118664377 is an apocalyptic number.

It is an amenable number.

118664377 is a deficient number, since it is larger than the sum of its proper divisors (9128043).

118664377 is an equidigital number, since it uses as much as digits as its factorization.

118664377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9128042.

The product of its digits is 169344, while the sum is 43.

The square root of 118664377 is about 10893.3179977452. The cubic root of 118664377 is about 491.4056224274.

The spelling of 118664377 in words is "one hundred eighteen million, six hundred sixty-four thousand, three hundred seventy-seven".