18676797 has 8 divisors (see below), whose sum is σ = 25310880. Its totient is φ = 12246960.

The previous prime is 18676793. The next prime is 18676859. The reversal of 18676797 is 79767681.

It is a happy number.

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

It is not a de Polignac number, because 18676797 - 2² = 18676793 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18676793) 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, 50847 + ... + 51212.

It is an arithmetic number, because the mean of its divisors is an integer number (3163860).

Almost surely, 2^18676797 is an apocalyptic number.

It is an amenable number.

18676797 is a deficient number, since it is larger than the sum of its proper divisors (6634083).

18676797 is a wasteful number, since it uses less digits than its factorization.

18676797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102123.

The product of its digits is 889056, while the sum is 51.

The square root of 18676797 is about 4321.6659982002. The cubic root of 18676797 is about 265.3184589624.

The spelling of 18676797 in words is "eighteen million, six hundred seventy-six thousand, seven hundred ninety-seven".