78673383 has 16 divisors (see below), whose sum is σ = 119397600. Its totient is φ = 51168960.

The previous prime is 78673379. The next prime is 78673391. The reversal of 78673383 is 38337687.

It is not a de Polignac number, because 78673383 - 2² = 78673379 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78673313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34428 + ... + 36641.

It is an arithmetic number, because the mean of its divisors is an integer number (7462350).

Almost surely, 2^78673383 is an apocalyptic number.

78673383 is a deficient number, since it is larger than the sum of its proper divisors (40724217).

78673383 is a wasteful number, since it uses less digits than its factorization.

78673383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71119 (or 71113 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The square root of 78673383 is about 8869.8017452477. The cubic root of 78673383 is about 428.4918919544.

The spelling of 78673383 in words is "seventy-eight million, six hundred seventy-three thousand, three hundred eighty-three".