86466949589 has 4 divisors (see below), whose sum is σ = 86811439680. Its totient is φ = 86122459500.

The previous prime is 86466949573. The next prime is 86466949643. The reversal of 86466949589 is 98594966468.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 86466949589 - 2⁴ = 86466949573 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 (86466999589) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172244669 + ... + 172245170.

It is an arithmetic number, because the mean of its divisors is an integer number (21702859920).

Almost surely, 2^86466949589 is an apocalyptic number.

It is an amenable number.

86466949589 is a deficient number, since it is larger than the sum of its proper divisors (344490091).

86466949589 is a wasteful number, since it uses less digits than its factorization.

86466949589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344490090.

The product of its digits is 806215680, while the sum is 74.

The spelling of 86466949589 in words is "eighty-six billion, four hundred sixty-six million, nine hundred forty-nine thousand, five hundred eighty-nine".