86319029 has 4 divisors (see below), whose sum is σ = 86444640. Its totient is φ = 86193420.

The previous prime is 86319019. The next prime is 86319043. The reversal of 86319029 is 92091368.

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 86319029 - 2⁸ = 86318773 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86318983 and 86319001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86319019) 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, 61769 + ... + 63150.

It is an arithmetic number, because the mean of its divisors is an integer number (21611160).

Almost surely, 2^86319029 is an apocalyptic number.

It is an amenable number.

86319029 is a deficient number, since it is larger than the sum of its proper divisors (125611).

86319029 is a wasteful number, since it uses less digits than its factorization.

86319029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125610.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 86319029 is about 9290.8034636408. The cubic root of 86319029 is about 441.9456349534.

The spelling of 86319029 in words is "eighty-six million, three hundred nineteen thousand, twenty-nine".