973798557 has 8 divisors (see below), whose sum is σ = 1298909184. Its totient is φ = 648943488.

The previous prime is 973798531. The next prime is 973798577. The reversal of 973798557 is 755897379.

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

It is not a de Polignac number, because 973798557 - 2⁷ = 973798429 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 973798557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (973798517) 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 7 ways as a sum of consecutive naturals, for example, 54813 + ... + 70370.

It is an arithmetic number, because the mean of its divisors is an integer number (162363648).

Almost surely, 2^973798557 is an apocalyptic number.

It is an amenable number.

973798557 is a deficient number, since it is larger than the sum of its proper divisors (325110627).

973798557 is a wasteful number, since it uses less digits than its factorization.

973798557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127779.

The product of its digits is 16669800, while the sum is 60.

The square root of 973798557 is about 31205.7455767363. The cubic root of 973798557 is about 991.1887760264.

The spelling of 973798557 in words is "nine hundred seventy-three million, seven hundred ninety-eight thousand, five hundred fifty-seven".