897557755798 has 16 divisors (see below), whose sum is σ = 1478457573120. Its totient is φ = 405278937000.

The previous prime is 897557755747. The next prime is 897557755813.

897557755798 is nontrivially palindromic in base 10.

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 7 ways as a sum of consecutive naturals, for example, 135089658 + ... + 135096301.

It is an arithmetic number, because the mean of its divisors is an integer number (92403598320).

Almost surely, 2^897557755798 is an apocalyptic number.

897557755798 is a deficient number, since it is larger than the sum of its proper divisors (580899817322).

897557755798 is a wasteful number, since it uses less digits than its factorization.

897557755798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270186123.

The product of its digits is 7779240000, while the sum is 82.

The spelling of 897557755798 in words is "eight hundred ninety-seven billion, five hundred fifty-seven million, seven hundred fifty-five thousand, seven hundred ninety-eight".