9097880891 has 6 divisors (see below), whose sum is σ = 9925306092. Its totient is φ = 8270513220.

The previous prime is 9097880881. The next prime is 9097880921. The reversal of 9097880891 is 1980887909.

9097880891 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9097880891 - 2¹⁰ = 9097879867 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9097880891.

It is not an unprimeable number, because it can be changed into a prime (9097880881) 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 5 ways as a sum of consecutive naturals, for example, 301970 + ... + 330728.

It is an arithmetic number, because the mean of its divisors is an integer number (1654217682).

Almost surely, 2^9097880891 is an apocalyptic number.

9097880891 is a deficient number, since it is larger than the sum of its proper divisors (827425201).

9097880891 is an frugal number, since it uses more digits than its factorization.

9097880891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57529 (or 28770 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 59.

The square root of 9097880891 is about 95382.8123458309. The cubic root of 9097880891 is about 2087.5974078442.

It can be divided in two parts, 9097 and 880891, that added together give a palindrome (889988).

The spelling of 9097880891 in words is "nine billion, ninety-seven million, eight hundred eighty thousand, eight hundred ninety-one".