118670399 has 2 divisors, whose sum is σ = 118670400. Its totient is φ = 118670398.

The previous prime is 118670393. The next prime is 118670413. The reversal of 118670399 is 993076811.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118670399 is a prime.

It is a plaindrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118670393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59335199 + 59335200.

It is an arithmetic number, because the mean of its divisors is an integer number (59335200).

Almost surely, 2^118670399 is an apocalyptic number.

118670399 is a deficient number, since it is larger than the sum of its proper divisors (1).

118670399 is an equidigital number, since it uses as much as digits as its factorization.

118670399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 44.

The square root of 118670399 is about 10893.5944022164. The cubic root of 118670399 is about 491.4139349321.

The spelling of 118670399 in words is "one hundred eighteen million, six hundred seventy thousand, three hundred ninety-nine".