78932983 has 4 divisors (see below), whose sum is σ = 81654840. Its totient is φ = 76211128.

The previous prime is 78932977. The next prime is 78933007. The reversal of 78932983 is 38923987.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38923987 = 43 ⋅905209.

It is a cyclic number.

It is not a de Polignac number, because 78932983 - 2²¹ = 76835831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78932923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1360885 + ... + 1360942.

It is an arithmetic number, because the mean of its divisors is an integer number (20413710).

Almost surely, 2^78932983 is an apocalyptic number.

78932983 is a deficient number, since it is larger than the sum of its proper divisors (2721857).

78932983 is a wasteful number, since it uses less digits than its factorization.

78932983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2721856.

The product of its digits is 653184, while the sum is 49.

The square root of 78932983 is about 8884.4236166450. The cubic root of 78932983 is about 428.9626753587.

The spelling of 78932983 in words is "seventy-eight million, nine hundred thirty-two thousand, nine hundred eighty-three".