82664029 has 10 divisors (see below), whose sum is σ = 96438430. Its totient is φ = 70852824.

The previous prime is 82664009. The next prime is 82664033. The reversal of 82664029 is 92046628.

It can be written as a sum of positive squares in only one way, i.e., 57684025 + 24980004 = 7595^2 + 4998^2 .

It is not a de Polignac number, because 82664029 - 2¹¹ = 82661981 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 (82664009) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 14814 + ... + 19615.

It is an arithmetic number, because the mean of its divisors is an integer number (9643843).

Almost surely, 2^82664029 is an apocalyptic number.

It is an amenable number.

82664029 is a deficient number, since it is larger than the sum of its proper divisors (13774401).

82664029 is an frugal number, since it uses more digits than its factorization.

82664029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34457 (or 34436 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 82664029 is about 9091.9760778392. The cubic root of 82664029 is about 435.6177052518.

The spelling of 82664029 in words is "eighty-two million, six hundred sixty-four thousand, twenty-nine".