86066973 has 12 divisors (see below), whose sum is σ = 124399548. Its totient is φ = 57340800.

The previous prime is 86066969. The next prime is 86067029. The reversal of 86066973 is 37966068.

It can be written as a sum of positive squares in 2 ways, for example, as 13527684 + 72539289 = 3678^2 + 8517^2 .

It is not a de Polignac number, because 86066973 - 2² = 86066969 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 (86066923) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24423 + ... + 27723.

It is an arithmetic number, because the mean of its divisors is an integer number (10366629).

Almost surely, 2^86066973 is an apocalyptic number.

It is an amenable number.

86066973 is a deficient number, since it is larger than the sum of its proper divisors (38332575).

86066973 is a wasteful number, since it uses less digits than its factorization.

86066973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6204 (or 6201 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 86066973 is about 9277.2287349186. The cubic root of 86066973 is about 441.5150475811.

The spelling of 86066973 in words is "eighty-six million, sixty-six thousand, nine hundred seventy-three".