78824123 has 8 divisors (see below), whose sum is σ = 92001792. Its totient is φ = 66125736.

The previous prime is 78824101. The next prime is 78824131. The reversal of 78824123 is 32142887.

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 78824123 - 2¹⁰ = 78823099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78824143) 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, 119465 + ... + 120122.

It is an arithmetic number, because the mean of its divisors is an integer number (11500224).

Almost surely, 2^78824123 is an apocalyptic number.

78824123 is a deficient number, since it is larger than the sum of its proper divisors (13177669).

78824123 is a wasteful number, since it uses less digits than its factorization.

78824123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239641.

The product of its digits is 21504, while the sum is 35.

The square root of 78824123 is about 8878.2950502898. The cubic root of 78824123 is about 428.7653841091.

The spelling of 78824123 in words is "seventy-eight million, eight hundred twenty-four thousand, one hundred twenty-three".