97255651501585 has 8 divisors (see below), whose sum is σ = 116747919211176. Its totient is φ = 77777096261760.

The previous prime is 97255651501579. The next prime is 97255651501601. The reversal of 97255651501585 is 58510515655279.

It is a happy number.

It is a Cunningham number, because it is equal to 9861828²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 1 + 97255651501584 = 1^2 + 9861828^2 .

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

It is not a de Polignac number, because 97255651501585 - 2⁵ = 97255651501553 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3428101836 + ... + 3428130205.

It is an arithmetic number, because the mean of its divisors is an integer number (14593489901397).

Almost surely, 2^{97255651501585} is an apocalyptic number.

It is an amenable number.

97255651501585 is a deficient number, since it is larger than the sum of its proper divisors (19492267709591).

97255651501585 is a wasteful number, since it uses less digits than its factorization.

97255651501585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6856234883.

The product of its (nonzero) digits is 94500000, while the sum is 64.

The spelling of 97255651501585 in words is "ninety-seven trillion, two hundred fifty-five billion, six hundred fifty-one million, five hundred one thousand, five hundred eighty-five".