9320987397 has 4 divisors (see below), whose sum is σ = 12427983200. Its totient is φ = 6213991596.

The previous prime is 9320987393. The next prime is 9320987413. The reversal of 9320987397 is 7937890239.

9320987397 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 9320987397 - 2² = 9320987393 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 (9320987393) 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 3 ways as a sum of consecutive naturals, for example, 1553497897 + ... + 1553497902.

It is an arithmetic number, because the mean of its divisors is an integer number (3106995800).

Almost surely, 2^9320987397 is an apocalyptic number.

It is an amenable number.

9320987397 is a deficient number, since it is larger than the sum of its proper divisors (3106995803).

9320987397 is a wasteful number, since it uses less digits than its factorization.

9320987397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3106995802.

The product of its (nonzero) digits is 5143824, while the sum is 57.

The square root of 9320987397 is about 96545.2608728155. The cubic root of 9320987397 is about 2104.5244399000.

The spelling of 9320987397 in words is "nine billion, three hundred twenty million, nine hundred eighty-seven thousand, three hundred ninety-seven".