9897079437 has 48 divisors (see below), whose sum is σ = 17209420800. Its totient is φ = 5472986400.

The previous prime is 9897079433. The next prime is 9897079447. The reversal of 9897079437 is 7349707989.

It is not a de Polignac number, because 9897079437 - 2² = 9897079433 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9897079433) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 43987 + ... + 147407.

It is an arithmetic number, because the mean of its divisors is an integer number (358529600).

Almost surely, 2^9897079437 is an apocalyptic number.

It is an amenable number.

9897079437 is a deficient number, since it is larger than the sum of its proper divisors (7312341363).

9897079437 is a wasteful number, since it uses less digits than its factorization.

9897079437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103479 (or 103462 counting only the distinct ones).

The product of its (nonzero) digits is 24004512, while the sum is 63.

The square root of 9897079437 is about 99484.0662468116. The cubic root of 9897079437 is about 2147.0179994958.

The spelling of 9897079437 in words is "nine billion, eight hundred ninety-seven million, seventy-nine thousand, four hundred thirty-seven".