78108233 has 8 divisors (see below), whose sum is σ = 89573568. Its totient is φ = 66719664.

The previous prime is 78108193. The next prime is 78108241. The reversal of 78108233 is 33280187.

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 78108233 - 2²² = 73913929 is a prime.

It is a super-2 number, since 2×78108233² = 12201792124764578, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 78108233.

It is not an unprimeable number, because it can be changed into a prime (78108263) 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, 16991 + ... + 21092.

It is an arithmetic number, because the mean of its divisors is an integer number (11196696).

Almost surely, 2^78108233 is an apocalyptic number.

It is an amenable number.

78108233 is a deficient number, since it is larger than the sum of its proper divisors (11465335).

78108233 is a wasteful number, since it uses less digits than its factorization.

78108233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38383.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 78108233 is about 8837.8862291840. The cubic root of 78108233 is about 427.4634019032.

The spelling of 78108233 in words is "seventy-eight million, one hundred eight thousand, two hundred thirty-three".