86426661 has 8 divisors (see below), whose sum is σ = 115739680. Its totient is φ = 57365712.

The previous prime is 86426653. The next prime is 86426677. The reversal of 86426661 is 16662468.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 86426661 - 2³ = 86426653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86426621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62215 + ... + 63588.

It is an arithmetic number, because the mean of its divisors is an integer number (14467460).

Almost surely, 2^86426661 is an apocalyptic number.

It is an amenable number.

86426661 is a deficient number, since it is larger than the sum of its proper divisors (29313019).

86426661 is a wasteful number, since it uses less digits than its factorization.

86426661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126035.

The product of its digits is 82944, while the sum is 39.

The square root of 86426661 is about 9296.5940537382. The cubic root of 86426661 is about 442.1292473659.

The spelling of 86426661 in words is "eighty-six million, four hundred twenty-six thousand, six hundred sixty-one".