78923283 has 8 divisors (see below), whose sum is σ = 110769600. Its totient is φ = 49846248.

The previous prime is 78923279. The next prime is 78923311. The reversal of 78923283 is 38232987.

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

It is not a de Polignac number, because 78923283 - 2² = 78923279 is a prime.

It is not an unprimeable number, because it can be changed into a prime (78923213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 692253 + ... + 692366.

It is an arithmetic number, because the mean of its divisors is an integer number (13846200).

Almost surely, 2^78923283 is an apocalyptic number.

78923283 is a deficient number, since it is larger than the sum of its proper divisors (31846317).

78923283 is a wasteful number, since it uses less digits than its factorization.

78923283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1384641.

The product of its digits is 145152, while the sum is 42.

The square root of 78923283 is about 8883.8777006440. The cubic root of 78923283 is about 428.9451030324.

It can be divided in two parts, 7892 and 3283, that added together give a triangular number (11175 = T₁₄₉).

The spelling of 78923283 in words is "seventy-eight million, nine hundred twenty-three thousand, two hundred eighty-three".