78873083 has 4 divisors (see below), whose sum is σ = 81417408. Its totient is φ = 76328760.

The previous prime is 78873079. The next prime is 78873089. The reversal of 78873083 is 38037887.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38037887 = 37 ⋅1028051.

It is a cyclic number.

It is not a de Polignac number, because 78873083 - 2² = 78873079 is a prime.

It is not an unprimeable number, because it can be changed into a prime (78873089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1272116 + ... + 1272177.

It is an arithmetic number, because the mean of its divisors is an integer number (20354352).

Almost surely, 2^78873083 is an apocalyptic number.

78873083 is a deficient number, since it is larger than the sum of its proper divisors (2544325).

78873083 is a wasteful number, since it uses less digits than its factorization.

78873083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2544324.

The product of its (nonzero) digits is 225792, while the sum is 44.

The square root of 78873083 is about 8881.0519084172. The cubic root of 78873083 is about 428.8541387001.

The spelling of 78873083 in words is "seventy-eight million, eight hundred seventy-three thousand, eighty-three".