86381697 has 4 divisors (see below), whose sum is σ = 115175600. Its totient is φ = 57587796.

The previous prime is 86381677. The next prime is 86381753. The reversal of 86381697 is 79618368.

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 not a de Polignac number, because 86381697 - 2¹¹ = 86379649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86381627) 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, 14396947 + ... + 14396952.

It is an arithmetic number, because the mean of its divisors is an integer number (28793900).

Almost surely, 2^86381697 is an apocalyptic number.

It is an amenable number.

86381697 is a deficient number, since it is larger than the sum of its proper divisors (28793903).

86381697 is a wasteful number, since it uses less digits than its factorization.

86381697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28793902.

The product of its digits is 435456, while the sum is 48.

The square root of 86381697 is about 9294.1754341093. The cubic root of 86381697 is about 442.0525605820.

It can be divided in two parts, 86381 and 697, that added together give a palindrome (87078).

The spelling of 86381697 in words is "eighty-six million, three hundred eighty-one thousand, six hundred ninety-seven".