86818029 has 4 divisors (see below), whose sum is σ = 115757376. Its totient is φ = 57878684.

The previous prime is 86818009. The next prime is 86818037. The reversal of 86818029 is 92081868.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 86818029 - 2¹⁵ = 86785261 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86818009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14469669 + ... + 14469674.

It is an arithmetic number, because the mean of its divisors is an integer number (28939344).

Almost surely, 2^86818029 is an apocalyptic number.

It is an amenable number.

86818029 is a deficient number, since it is larger than the sum of its proper divisors (28939347).

86818029 is a wasteful number, since it uses less digits than its factorization.

86818029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28939346.

The product of its (nonzero) digits is 55296, while the sum is 42.

The square root of 86818029 is about 9317.6192774764. The cubic root of 86818029 is about 442.7956108305.

The spelling of 86818029 in words is "eighty-six million, eight hundred eighteen thousand, twenty-nine".