83404711 has 8 divisors (see below), whose sum is σ = 90354320. Its totient is φ = 76986936.

The previous prime is 83404709. The next prime is 83404721. The reversal of 83404711 is 11740438.

It is not a de Polignac number, because 83404711 - 2¹ = 83404709 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 83404711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83404721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16785 + ... + 21178.

It is an arithmetic number, because the mean of its divisors is an integer number (11294290).

Almost surely, 2^83404711 is an apocalyptic number.

83404711 is a deficient number, since it is larger than the sum of its proper divisors (6949609).

83404711 is an equidigital number, since it uses as much as digits as its factorization.

83404711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38002 (or 37976 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 83404711 is about 9132.6179707683. The cubic root of 83404711 is about 436.9149050500.

The spelling of 83404711 in words is "eighty-three million, four hundred four thousand, seven hundred eleven".