86738173 has 4 divisors (see below), whose sum is σ = 91303360. Its totient is φ = 82172988.

The previous prime is 86738149. The next prime is 86738177. The reversal of 86738173 is 37183768.

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 86738173 - 2²¹ = 84641021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86738177) 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, 2282565 + ... + 2282602.

It is an arithmetic number, because the mean of its divisors is an integer number (22825840).

Almost surely, 2^86738173 is an apocalyptic number.

It is an amenable number.

86738173 is a deficient number, since it is larger than the sum of its proper divisors (4565187).

86738173 is a wasteful number, since it uses less digits than its factorization.

86738173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4565186.

The product of its digits is 169344, while the sum is 43.

The square root of 86738173 is about 9313.3330768313. Note that the first 3 decimals coincide. The cubic root of 86738173 is about 442.6598067290.

The spelling of 86738173 in words is "eighty-six million, seven hundred thirty-eight thousand, one hundred seventy-three".