8097557997 has 48 divisors (see below), whose sum is σ = 12580263360. Its totient is φ = 4603838976.

The previous prime is 8097557983. The next prime is 8097558011. The reversal of 8097557997 is 7997557908.

It is an interprime number because it is at equal distance from previous prime (8097557983) and next prime (8097558011).

It is not a de Polignac number, because 8097557997 - 2¹⁶ = 8097492461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8097557917) 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, 504703 + ... + 520499.

It is an arithmetic number, because the mean of its divisors is an integer number (262088820).

Almost surely, 2^8097557997 is an apocalyptic number.

It is an amenable number.

8097557997 is a deficient number, since it is larger than the sum of its proper divisors (4482705363).

8097557997 is a wasteful number, since it uses less digits than its factorization.

8097557997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15882 (or 15859 counting only the distinct ones).

The product of its (nonzero) digits is 50009400, while the sum is 66.

The square root of 8097557997 is about 89986.4322939853. The cubic root of 8097557997 is about 2008.0970080758.

The spelling of 8097557997 in words is "eight billion, ninety-seven million, five hundred fifty-seven thousand, nine hundred ninety-seven".