86197623 has 16 divisors (see below), whose sum is σ = 121257600. Its totient is φ = 54315360.

The previous prime is 86197619. The next prime is 86197627. The reversal of 86197623 is 32679168.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (86197619) and next prime (86197627).

It is not a de Polignac number, because 86197623 - 2² = 86197619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86197627) 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, 27528 + ... + 30498.

It is an arithmetic number, because the mean of its divisors is an integer number (7578600).

Almost surely, 2^86197623 is an apocalyptic number.

86197623 is a deficient number, since it is larger than the sum of its proper divisors (35059977).

86197623 is a wasteful number, since it uses less digits than its factorization.

86197623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3502.

The product of its digits is 108864, while the sum is 42.

The square root of 86197623 is about 9284.2674993776. The cubic root of 86197623 is about 441.7383418189.

The spelling of 86197623 in words is "eighty-six million, one hundred ninety-seven thousand, six hundred twenty-three".