118391797 has 8 divisors (see below), whose sum is σ = 119317760. Its totient is φ = 117469440.

The previous prime is 118391783. The next prime is 118391803. The reversal of 118391797 is 797193811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 118391797 - 2¹⁹ = 117867509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118391197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118972 + ... + 119962.

It is an arithmetic number, because the mean of its divisors is an integer number (14914720).

Almost surely, 2^118391797 is an apocalyptic number.

It is an amenable number.

118391797 is a deficient number, since it is larger than the sum of its proper divisors (925963).

118391797 is an equidigital number, since it uses as much as digits as its factorization.

118391797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1803.

The product of its digits is 95256, while the sum is 46.

The square root of 118391797 is about 10880.7994651128. The cubic root of 118391797 is about 491.0290701122.

The spelling of 118391797 in words is "one hundred eighteen million, three hundred ninety-one thousand, seven hundred ninety-seven".