9997348662 has 96 divisors (see below), whose sum is σ = 25415949312. Its totient is φ = 2780808192.

The previous prime is 9997348609. The next prime is 9997348721. The reversal of 9997348662 is 2668437999.

9997348662 is a `hidden beast` number, since 9 + 9 + 97 + 3 + 486 + 62 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 9997348662.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1138573 + ... + 1147319.

It is an arithmetic number, because the mean of its divisors is an integer number (264749472).

Almost surely, 2^9997348662 is an apocalyptic number.

9997348662 is the 81639-th pentagonal number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9997348662, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12707974656).

9997348662 is an abundant number, since it is smaller than the sum of its proper divisors (15418600650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9997348662 is a wasteful number, since it uses less digits than its factorization.

9997348662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9002 (or 8999 counting only the distinct ones).

The product of its digits is 35271936, while the sum is 63.

The square root of 9997348662 is about 99986.7424311843. The cubic root of 9997348662 is about 2154.2442687164.

The spelling of 9997348662 in words is "nine billion, nine hundred ninety-seven million, three hundred forty-eight thousand, six hundred sixty-two".