9957189703 has 4 divisors (see below), whose sum is σ = 10077155928. Its totient is φ = 9837223480.

The previous prime is 9957189689. The next prime is 9957189733. The reversal of 9957189703 is 3079817599.

It is a happy number.

9957189703 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9957189703 - 2¹³ = 9957181511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9957189733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59982988 + ... + 59983153.

It is an arithmetic number, because the mean of its divisors is an integer number (2519288982).

Almost surely, 2^9957189703 is an apocalyptic number.

9957189703 is a deficient number, since it is larger than the sum of its proper divisors (119966225).

9957189703 is a wasteful number, since it uses less digits than its factorization.

9957189703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119966224.

The product of its (nonzero) digits is 4286520, while the sum is 58.

The square root of 9957189703 is about 99785.7189331219. The cubic root of 9957189703 is about 2151.3558927374.

The spelling of 9957189703 in words is "nine billion, nine hundred fifty-seven million, one hundred eighty-nine thousand, seven hundred three".