82861029 has 8 divisors (see below), whose sum is σ = 122757120. Its totient is φ = 55240668.

The previous prime is 82861007. The next prime is 82861039. The reversal of 82861029 is 92016828.

It is not a de Polignac number, because 82861029 - 2¹³ = 82852837 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 82860984 and 82861002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82861039) 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, 1534437 + ... + 1534490.

It is an arithmetic number, because the mean of its divisors is an integer number (15344640).

Almost surely, 2^82861029 is an apocalyptic number.

It is an amenable number.

82861029 is a deficient number, since it is larger than the sum of its proper divisors (39896091).

82861029 is a wasteful number, since it uses less digits than its factorization.

82861029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3068936 (or 3068930 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 82861029 is about 9102.8033594053. The cubic root of 82861029 is about 435.9634767964.

The spelling of 82861029 in words is "eighty-two million, eight hundred sixty-one thousand, twenty-nine".