86047197 has 4 divisors (see below), whose sum is σ = 114729600. Its totient is φ = 57364796.

The previous prime is 86047123. The next prime is 86047207. The reversal of 86047197 is 79174068.

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 86047197 - 2¹¹ = 86045149 is a prime.

It is a super-2 number, since 2×86047197² = 14808240223113618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86047597) 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, 14341197 + ... + 14341202.

It is an arithmetic number, because the mean of its divisors is an integer number (28682400).

Almost surely, 2^86047197 is an apocalyptic number.

It is an amenable number.

86047197 is a deficient number, since it is larger than the sum of its proper divisors (28682403).

86047197 is a wasteful number, since it uses less digits than its factorization.

86047197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28682402.

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 86047197 is about 9276.1628381567. The cubic root of 86047197 is about 441.4812286836.

The spelling of 86047197 in words is "eighty-six million, forty-seven thousand, one hundred ninety-seven".