9086531028 has 48 divisors (see below), whose sum is σ = 21877720704. Its totient is φ = 2933378560.

The previous prime is 9086531021. The next prime is 9086531071. The reversal of 9086531028 is 8201356809.

9086531028 is a nontrivial binomial coefficient, being equal to C(134808, 2).

It is a super-2 number, since 2×9086531028² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9086531021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1 + ... + 134807.

It is an arithmetic number, because the mean of its divisors is an integer number (455785848).

Almost surely, 2^9086531028 is an apocalyptic number.

9086531028 is the 134807-th triangular number and also the 67404-th hexagonal number.

It is an amenable number.

9086531028 is an abundant number, since it is smaller than the sum of its proper divisors (12791189676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9086531028 is a wasteful number, since it uses less digits than its factorization.

9086531028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134992 (or 134990 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 9086531028 is about 95323.2974041498. The cubic root of 9086531028 is about 2086.7289343813.

The spelling of 9086531028 in words is "nine billion, eighty-six million, five hundred thirty-one thousand, twenty-eight".