82774883 has 4 divisors (see below), whose sum is σ = 85012080. Its totient is φ = 80537688.

The previous prime is 82774877. The next prime is 82774889. The reversal of 82774883 is 38847728.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (82774877) and next prime (82774889).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82774883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82774889) 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, 1118543 + ... + 1118616.

It is an arithmetic number, because the mean of its divisors is an integer number (21253020).

Almost surely, 2^82774883 is an apocalyptic number.

82774883 is a deficient number, since it is larger than the sum of its proper divisors (2237197).

82774883 is a wasteful number, since it uses less digits than its factorization.

82774883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2237196.

The product of its digits is 602112, while the sum is 47.

The square root of 82774883 is about 9098.0702899021. The cubic root of 82774883 is about 435.8123420881.

The spelling of 82774883 in words is "eighty-two million, seven hundred seventy-four thousand, eight hundred eighty-three".