82156029 has 8 divisors (see below), whose sum is σ = 109586400. Its totient is φ = 54748176.

The previous prime is 82156027. The next prime is 82156031. The reversal of 82156029 is 92065128.

It is an interprime number because it is at equal distance from previous prime (82156027) and next prime (82156031).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 82156029 - 2¹ = 82156027 is a prime.

It is a super-2 number, since 2×82156029² = 13499226202097682, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82156027) 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 7 ways as a sum of consecutive naturals, for example, 6822 + ... + 14520.

It is an arithmetic number, because the mean of its divisors is an integer number (13698300).

Almost surely, 2^82156029 is an apocalyptic number.

It is an amenable number.

82156029 is a deficient number, since it is larger than the sum of its proper divisors (27430371).

82156029 is a wasteful number, since it uses less digits than its factorization.

82156029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11259.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 82156029 is about 9063.9963040593. The cubic root of 82156029 is about 434.7235289062.

Subtracting 82156029 from its reverse (92065128), we obtain a palindrome (9909099).

The spelling of 82156029 in words is "eighty-two million, one hundred fifty-six thousand, twenty-nine".