83771164 has 12 divisors (see below), whose sum is σ = 149365944. Its totient is φ = 41095184.

The previous prime is 83771147. The next prime is 83771167. The reversal of 83771164 is 46117738.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83771167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197362 + ... + 197785.

It is an arithmetic number, because the mean of its divisors is an integer number (12447162).

Almost surely, 2^83771164 is an apocalyptic number.

It is an amenable number.

83771164 is a deficient number, since it is larger than the sum of its proper divisors (65594780).

83771164 is a wasteful number, since it uses less digits than its factorization.

83771164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395204 (or 395202 counting only the distinct ones).

The product of its digits is 28224, while the sum is 37.

The square root of 83771164 is about 9152.6588486625. The cubic root of 83771164 is about 437.5538572065.

The spelling of 83771164 in words is "eighty-three million, seven hundred seventy-one thousand, one hundred sixty-four".