78915323 has 8 divisors (see below), whose sum is σ = 82557600. Its totient is φ = 75290688.

The previous prime is 78915313. The next prime is 78915329. The reversal of 78915323 is 32351987.

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 78915323 - 2⁶ = 78915259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78915329) 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, 5213 + ... + 13601.

It is an arithmetic number, because the mean of its divisors is an integer number (10319700).

Almost surely, 2^78915323 is an apocalyptic number.

78915323 is a deficient number, since it is larger than the sum of its proper divisors (3642277).

78915323 is a wasteful number, since it uses less digits than its factorization.

78915323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8821.

The product of its digits is 45360, while the sum is 38.

The square root of 78915323 is about 8883.4296867820. The cubic root of 78915323 is about 428.9306817797.

The spelling of 78915323 in words is "seventy-eight million, nine hundred fifteen thousand, three hundred twenty-three".