86242497 has 16 divisors (see below), whose sum is σ = 125737920. Its totient is φ = 52145600.

The previous prime is 86242451. The next prime is 86242517. The reversal of 86242497 is 79424268.

It is a cyclic number.

It is not a de Polignac number, because 86242497 - 2¹² = 86238401 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (86242427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12379 + ... + 18047.

It is an arithmetic number, because the mean of its divisors is an integer number (7858620).

Almost surely, 2^86242497 is an apocalyptic number.

It is an amenable number.

86242497 is a deficient number, since it is larger than the sum of its proper divisors (39495423).

86242497 is a wasteful number, since it uses less digits than its factorization.

86242497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6144.

The product of its digits is 193536, while the sum is 42.

The square root of 86242497 is about 9286.6838537769. The cubic root of 86242497 is about 441.8149840232.

The spelling of 86242497 in words is "eighty-six million, two hundred forty-two thousand, four hundred ninety-seven".