97658590255 has 32 divisors (see below), whose sum is σ = 125427087360. Its totient is φ = 72833255040.

The previous prime is 97658590247. The next prime is 97658590291. The reversal of 97658590255 is 55209585679.

It is not a de Polignac number, because 97658590255 - 2³ = 97658590247 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 97658590193 and 97658590202.

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 31 ways as a sum of consecutive naturals, for example, 1966764 + ... + 2015806.

It is an arithmetic number, because the mean of its divisors is an integer number (3919596480).

Almost surely, 2^97658590255 is an apocalyptic number.

97658590255 is a deficient number, since it is larger than the sum of its proper divisors (27768497105).

97658590255 is a wasteful number, since it uses less digits than its factorization.

97658590255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49551.

The product of its (nonzero) digits is 34020000, while the sum is 61.

The spelling of 97658590255 in words is "ninety-seven billion, six hundred fifty-eight million, five hundred ninety thousand, two hundred fifty-five".