9086420867 has 4 divisors (see below), whose sum is σ = 9157967616. Its totient is φ = 9014874120.

The previous prime is 9086420839. The next prime is 9086420909. The reversal of 9086420867 is 7680246809.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7680246809 = 103 ⋅74565503.

It is a cyclic number.

It is not a de Polignac number, because 9086420867 - 2⁶ = 9086420803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9086425867) 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, 35773184 + ... + 35773437.

It is an arithmetic number, because the mean of its divisors is an integer number (2289491904).

Almost surely, 2^9086420867 is an apocalyptic number.

9086420867 is a deficient number, since it is larger than the sum of its proper divisors (71546749).

9086420867 is a wasteful number, since it uses less digits than its factorization.

9086420867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71546748.

The product of its (nonzero) digits is 1161216, while the sum is 50.

The square root of 9086420867 is about 95322.7195740868. The cubic root of 9086420867 is about 2086.7205014941.

The spelling of 9086420867 in words is "nine billion, eighty-six million, four hundred twenty thousand, eight hundred sixty-seven".