78675923 has 8 divisors (see below), whose sum is σ = 81976320. Its totient is φ = 75423240.

The previous prime is 78675917. The next prime is 78675929. The reversal of 78675923 is 32957687.

It is an interprime number because it is at equal distance from previous prime (78675917) and next prime (78675929).

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 78675923 - 2⁶ = 78675859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78675929) 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, 8543 + ... + 15176.

It is an arithmetic number, because the mean of its divisors is an integer number (10247040).

Almost surely, 2^78675923 is an apocalyptic number.

78675923 is a deficient number, since it is larger than the sum of its proper divisors (3300397).

78675923 is a wasteful number, since it uses less digits than its factorization.

78675923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23857.

The product of its digits is 635040, while the sum is 47.

The square root of 78675923 is about 8869.9449265483. The cubic root of 78675923 is about 428.4965032458.

The spelling of 78675923 in words is "seventy-eight million, six hundred seventy-five thousand, nine hundred twenty-three".