997587359 has 16 divisors (see below), whose sum is σ = 1047816000. Its totient is φ = 948829440.

The previous prime is 997587341. The next prime is 997587379. The reversal of 997587359 is 953785799.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 997587359 - 2⁸ = 997587103 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 (997587379) 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, 361517 + ... + 364265.

It is an arithmetic number, because the mean of its divisors is an integer number (65488500).

Almost surely, 2^997587359 is an apocalyptic number.

997587359 is a deficient number, since it is larger than the sum of its proper divisors (50228641).

997587359 is a wasteful number, since it uses less digits than its factorization.

997587359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3010.

The product of its digits is 21432600, while the sum is 62.

The square root of 997587359 is about 31584.6063613273. The cubic root of 997587359 is about 999.1951387054.

The spelling of 997587359 in words is "nine hundred ninety-seven million, five hundred eighty-seven thousand, three hundred fifty-nine".