973988117 has 8 divisors (see below), whose sum is σ = 982311000. Its totient is φ = 965689344.

The previous prime is 973988083. The next prime is 973988129. The reversal of 973988117 is 711889379.

It can be written as a sum of positive squares in 4 ways, for example, as 184715281 + 789272836 = 13591^2 + 28094^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 973988117 - 2⁶ = 973988053 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 (973988177) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80309 + ... + 91637.

It is an arithmetic number, because the mean of its divisors is an integer number (122788875).

Almost surely, 2^973988117 is an apocalyptic number.

It is an amenable number.

973988117 is a deficient number, since it is larger than the sum of its proper divisors (8322883).

973988117 is a wasteful number, since it uses less digits than its factorization.

973988117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12055.

The product of its digits is 762048, while the sum is 53.

The square root of 973988117 is about 31208.7826901339. The cubic root of 973988117 is about 991.2530869159.

The spelling of 973988117 in words is "nine hundred seventy-three million, nine hundred eighty-eight thousand, one hundred seventeen".