118778707 has 4 divisors (see below), whose sum is σ = 119829960. Its totient is φ = 117727456.

The previous prime is 118778689. The next prime is 118778719. The reversal of 118778707 is 707877811.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 707877811 = 59 ⋅11997929.

It is a cyclic number.

It is not a de Polignac number, because 118778707 - 2²³ = 110390099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118778767) 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, 525457 + ... + 525682.

It is an arithmetic number, because the mean of its divisors is an integer number (29957490).

Almost surely, 2^118778707 is an apocalyptic number.

118778707 is a deficient number, since it is larger than the sum of its proper divisors (1051253).

118778707 is a wasteful number, since it uses less digits than its factorization.

118778707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051252.

The product of its (nonzero) digits is 153664, while the sum is 46.

The square root of 118778707 is about 10898.5644467517. The cubic root of 118778707 is about 491.5633905587.

The spelling of 118778707 in words is "one hundred eighteen million, seven hundred seventy-eight thousand, seven hundred seven".