86827073 has 4 divisors (see below), whose sum is σ = 89821140. Its totient is φ = 83833008.

The previous prime is 86827067. The next prime is 86827079. The reversal of 86827073 is 37072868.

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

It is an interprime number because it is at equal distance from previous prime (86827067) and next prime (86827079).

It can be written as a sum of positive squares in 2 ways, for example, as 39037504 + 47789569 = 6248^2 + 6913^2 .

It is a cyclic number.

It is not a de Polignac number, because 86827073 - 2¹⁶ = 86761537 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 86827073.

It is not an unprimeable number, because it can be changed into a prime (86827079) 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, 1496990 + ... + 1497047.

It is an arithmetic number, because the mean of its divisors is an integer number (22455285).

Almost surely, 2^86827073 is an apocalyptic number.

It is an amenable number.

86827073 is a deficient number, since it is larger than the sum of its proper divisors (2994067).

86827073 is a wasteful number, since it uses less digits than its factorization.

86827073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2994066.

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 86827073 is about 9318.1045819415. The cubic root of 86827073 is about 442.8109859183.

The spelling of 86827073 in words is "eighty-six million, eight hundred twenty-seven thousand, seventy-three".