76666883 has 4 divisors (see below), whose sum is σ = 76952160. Its totient is φ = 76381608.

The previous prime is 76666873. The next prime is 76666903. The reversal of 76666883 is 38866667.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38866667 = 7 ⋅5552381.

It is a cyclic number.

It is not a de Polignac number, because 76666883 - 2²⁰ = 75618307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76666873) 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, 142235 + ... + 142772.

It is an arithmetic number, because the mean of its divisors is an integer number (19238040).

Almost surely, 2^76666883 is an apocalyptic number.

76666883 is a deficient number, since it is larger than the sum of its proper divisors (285277).

76666883 is a wasteful number, since it uses less digits than its factorization.

76666883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285276.

The product of its digits is 1741824, while the sum is 50.

The square root of 76666883 is about 8755.9627112043. The cubic root of 76666883 is about 424.8176989770.

The spelling of 76666883 in words is "seventy-six million, six hundred sixty-six thousand, eight hundred eighty-three".