9997748200670 has 32 divisors (see below), whose sum is σ = 18003647692800. Its totient is φ = 3997388360736.

The previous prime is 9997748200613. The next prime is 9997748200691. The reversal of 9997748200670 is 760028477999.

It is a self number, because there is not a number n which added to its sum of digits gives 9997748200670.

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 15 ways as a sum of consecutive naturals, for example, 251945891 + ... + 251985569.

It is an arithmetic number, because the mean of its divisors is an integer number (562613990400).

Almost surely, 2^{9997748200670} is an apocalyptic number.

9997748200670 is a deficient number, since it is larger than the sum of its proper divisors (8005899492130).

9997748200670 is a wasteful number, since it uses less digits than its factorization.

9997748200670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49832.

The product of its (nonzero) digits is 96018048, while the sum is 68.

The spelling of 9997748200670 in words is "nine trillion, nine hundred ninety-seven billion, seven hundred forty-eight million, two hundred thousand, six hundred seventy".