86073815 has 4 divisors (see below), whose sum is σ = 103288584. Its totient is φ = 68859048.

The previous prime is 86073811. The next prime is 86073821. The reversal of 86073815 is 51837068.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86073815 - 2² = 86073811 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86073811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8607377 + ... + 8607386.

It is an arithmetic number, because the mean of its divisors is an integer number (25822146).

Almost surely, 2^86073815 is an apocalyptic number.

86073815 is a deficient number, since it is larger than the sum of its proper divisors (17214769).

86073815 is a wasteful number, since it uses less digits than its factorization.

86073815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17214768.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 86073815 is about 9277.5974799514. The cubic root of 86073815 is about 441.5267468652.

The spelling of 86073815 in words is "eighty-six million, seventy-three thousand, eight hundred fifteen".