86589890 has 8 divisors (see below), whose sum is σ = 155861820. Its totient is φ = 34635952.

The previous prime is 86589887. The next prime is 86589907. The reversal of 86589890 is 9898568.

It can be written as a sum of positive squares in 2 ways, for example, as 86136961 + 452929 = 9281^2 + 673^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4329485 + ... + 4329504.

Almost surely, 2^86589890 is an apocalyptic number.

86589890 is a deficient number, since it is larger than the sum of its proper divisors (69271930).

86589890 is a wasteful number, since it uses less digits than its factorization.

86589890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8658996.

The product of its (nonzero) digits is 1244160, while the sum is 53.

The square root of 86589890 is about 9305.3688803830. The cubic root of 86589890 is about 442.4074135719.

The spelling of 86589890 in words is "eighty-six million, five hundred eighty-nine thousand, eight hundred ninety".