82789029 has 18 divisors (see below), whose sum is σ = 125016710. Its totient is φ = 52789968.

The previous prime is 82789027. The next prime is 82789037. The reversal of 82789029 is 92098728.

It can be written as a sum of positive squares in only one way, i.e., 74390625 + 8398404 = 8625^2 + 2898^2 .

It is not a de Polignac number, because 82789029 - 2¹ = 82789027 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 (82789027) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3934 + ... + 13455.

Almost surely, 2^82789029 is an apocalyptic number.

It is an amenable number.

82789029 is a deficient number, since it is larger than the sum of its proper divisors (42227681).

82789029 is a wasteful number, since it uses less digits than its factorization.

82789029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17441 (or 17415 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 82789029 is about 9098.8476742937. The cubic root of 82789029 is about 435.8371670511.

The spelling of 82789029 in words is "eighty-two million, seven hundred eighty-nine thousand, twenty-nine".