86289273 has 16 divisors (see below), whose sum is σ = 146098560. Its totient is φ = 49308048.

The previous prime is 86289271. The next prime is 86289289. The reversal of 86289273 is 37298268.

It is not a de Polignac number, because 86289273 - 2¹ = 86289271 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86289271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228090 + ... + 228467.

It is an arithmetic number, because the mean of its divisors is an integer number (9131160).

Almost surely, 2^86289273 is an apocalyptic number.

It is an amenable number.

86289273 is a deficient number, since it is larger than the sum of its proper divisors (59809287).

86289273 is a wasteful number, since it uses less digits than its factorization.

86289273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456573 (or 456567 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 86289273 is about 9289.2019571113. The cubic root of 86289273 is about 441.8948464392.

The spelling of 86289273 in words is "eighty-six million, two hundred eighty-nine thousand, two hundred seventy-three".