118616783 has 4 divisors (see below), whose sum is σ = 121822680. Its totient is φ = 115410888.

The previous prime is 118616779. The next prime is 118616821. The reversal of 118616783 is 387616811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 387616811 = 12301 ⋅31511.

It is a cyclic number.

It is not a de Polignac number, because 118616783 - 2² = 118616779 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 118616783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118616383) 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, 1602893 + ... + 1602966.

It is an arithmetic number, because the mean of its divisors is an integer number (30455670).

Almost surely, 2^118616783 is an apocalyptic number.

118616783 is a deficient number, since it is larger than the sum of its proper divisors (3205897).

118616783 is an equidigital number, since it uses as much as digits as its factorization.

118616783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3205896.

The product of its digits is 48384, while the sum is 41.

The square root of 118616783 is about 10891.1332284570. The cubic root of 118616783 is about 491.3399158598.

The spelling of 118616783 in words is "one hundred eighteen million, six hundred sixteen thousand, seven hundred eighty-three".