118880647 has 2 divisors, whose sum is σ = 118880648. Its totient is φ = 118880646.

The previous prime is 118880621. The next prime is 118880653. The reversal of 118880647 is 746088811.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118880647 is a prime.

It is a super-2 number, since 2×118880647² = 28265216462277218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118880687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59440323 + 59440324.

It is an arithmetic number, because the mean of its divisors is an integer number (59440324).

Almost surely, 2^118880647 is an apocalyptic number.

118880647 is a deficient number, since it is larger than the sum of its proper divisors (1).

118880647 is an equidigital number, since it uses as much as digits as its factorization.

118880647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86016, while the sum is 43.

The square root of 118880647 is about 10903.2402064707. The cubic root of 118880647 is about 491.7039759233.

The spelling of 118880647 in words is "one hundred eighteen million, eight hundred eighty thousand, six hundred forty-seven".