86426623 has 8 divisors (see below), whose sum is σ = 93238128. Its totient is φ = 79807104.

The previous prime is 86426621. The next prime is 86426633. The reversal of 86426623 is 32662468.

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

It is a cyclic number.

It is not a de Polignac number, because 86426623 - 2¹ = 86426621 is a prime.

It is a super-2 number, since 2×86426623² = 14939122326368258, which contains 22 as substring.

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 (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47061 + ... + 48862.

It is an arithmetic number, because the mean of its divisors is an integer number (11654766).

Almost surely, 2^86426623 is an apocalyptic number.

86426623 is a deficient number, since it is larger than the sum of its proper divisors (6811505).

86426623 is a wasteful number, since it uses less digits than its factorization.

86426623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95993.

The product of its digits is 82944, while the sum is 37.

The square root of 86426623 is about 9296.5920099787. The cubic root of 86426623 is about 442.1291825675.

The spelling of 86426623 in words is "eighty-six million, four hundred twenty-six thousand, six hundred twenty-three".