97958984255 has 32 divisors (see below), whose sum is σ = 131876458560. Its totient is φ = 69226168320.

The previous prime is 97958984251. The next prime is 97958984257. The reversal of 97958984255 is 55248985979.

It is a Cunningham number, because it is equal to 312984²-1.

It is not a de Polignac number, because 97958984255 - 2² = 97958984251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97958984251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1533617 + ... + 1596213.

It is an arithmetic number, because the mean of its divisors is an integer number (4121139330).

Almost surely, 2^97958984255 is an apocalyptic number.

97958984255 is a deficient number, since it is larger than the sum of its proper divisors (33917474305).

97958984255 is a wasteful number, since it uses less digits than its factorization.

97958984255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63419.

The product of its digits is 326592000, while the sum is 71.

The spelling of 97958984255 in words is "ninety-seven billion, nine hundred fifty-eight million, nine hundred eighty-four thousand, two hundred fifty-five".