82904623 has 4 divisors (see below), whose sum is σ = 83169808. Its totient is φ = 82639440.

The previous prime is 82904621. The next prime is 82904651. The reversal of 82904623 is 32640928.

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

It is a cyclic number.

It is not a de Polignac number, because 82904623 - 2¹ = 82904621 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 (82904621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132123 + ... + 132748.

It is an arithmetic number, because the mean of its divisors is an integer number (20792452).

Almost surely, 2^82904623 is an apocalyptic number.

82904623 is a deficient number, since it is larger than the sum of its proper divisors (265185).

82904623 is a wasteful number, since it uses less digits than its factorization.

82904623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265184.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 82904623 is about 9105.1975816014. The cubic root of 82904623 is about 436.0399182793.

The spelling of 82904623 in words is "eighty-two million, nine hundred four thousand, six hundred twenty-three".