9997082542 has 8 divisors (see below), whose sum is σ = 14996527416. Its totient is φ = 4998240072.

The previous prime is 9997082531. The next prime is 9997082561. The reversal of 9997082542 is 2452807999.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×9997082542² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106533 + ... + 177040.

It is an arithmetic number, because the mean of its divisors is an integer number (1874565927).

Almost surely, 2^9997082542 is an apocalyptic number.

9997082542 is a deficient number, since it is larger than the sum of its proper divisors (4999444874).

9997082542 is a wasteful number, since it uses less digits than its factorization.

9997082542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301202.

The product of its (nonzero) digits is 3265920, while the sum is 55.

The square root of 9997082542 is about 99985.4116458996. The cubic root of 9997082542 is about 2154.2251538961.

The spelling of 9997082542 in words is "nine billion, nine hundred ninety-seven million, eighty-two thousand, five hundred forty-two".