9039491087 has 4 divisors (see below), whose sum is σ = 9861263016. Its totient is φ = 8217719160.

The previous prime is 9039491077. The next prime is 9039491143. The reversal of 9039491087 is 7801949309.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9039491087 - 2¹² = 9039486991 is a prime.

It is a super-2 number, since 2×9039491087² (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 (9039491077) 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, 410885948 + ... + 410885969.

It is an arithmetic number, because the mean of its divisors is an integer number (2465315754).

Almost surely, 2^9039491087 is an apocalyptic number.

9039491087 is a deficient number, since it is larger than the sum of its proper divisors (821771929).

9039491087 is a wasteful number, since it uses less digits than its factorization.

9039491087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821771928.

The product of its (nonzero) digits is 489888, while the sum is 50.

The square root of 9039491087 is about 95076.2382880181. The cubic root of 9039491087 is about 2083.1217828895.

The spelling of 9039491087 in words is "nine billion, thirty-nine million, four hundred ninety-one thousand, eighty-seven".