86173039 has 2 divisors, whose sum is σ = 86173040. Its totient is φ = 86173038.

The previous prime is 86173001. The next prime is 86173049. The reversal of 86173039 is 93037168.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86173039 - 2²³ = 77784431 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 86172989 and 86173007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86173049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43086519 + 43086520.

It is an arithmetic number, because the mean of its divisors is an integer number (43086520).

Almost surely, 2^86173039 is an apocalyptic number.

86173039 is a deficient number, since it is larger than the sum of its proper divisors (1).

86173039 is an equidigital number, since it uses as much as digits as its factorization.

86173039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 86173039 is about 9282.9434448347. The cubic root of 86173039 is about 441.6963424861.

The spelling of 86173039 in words is "eighty-six million, one hundred seventy-three thousand, thirty-nine".