118878567 has 4 divisors (see below), whose sum is σ = 158504760. Its totient is φ = 79252376.

The previous prime is 118878563. The next prime is 118878577. The reversal of 118878567 is 765878811.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 118878567 - 2² = 118878563 is a prime.

It is a super-2 number, since 2×118878567² = 28264227383946978, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118878563) 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, 19813092 + ... + 19813097.

It is an arithmetic number, because the mean of its divisors is an integer number (39626190).

Almost surely, 2^118878567 is an apocalyptic number.

118878567 is a deficient number, since it is larger than the sum of its proper divisors (39626193).

118878567 is an equidigital number, since it uses as much as digits as its factorization.

118878567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39626192.

The product of its digits is 752640, while the sum is 51.

The square root of 118878567 is about 10903.1448215641. The cubic root of 118878567 is about 491.7011082005.

The spelling of 118878567 in words is "one hundred eighteen million, eight hundred seventy-eight thousand, five hundred sixty-seven".