97227691758505 has 64 divisors (see below), whose sum is σ = 147933332660736. Its totient is φ = 59581207296000.

The previous prime is 97227691758433. The next prime is 97227691758511. The reversal of 97227691758505 is 50585719672279.

It is not a de Polignac number, because 97227691758505 - 2⁷ = 97227691758377 is a prime.

It is a super-2 number, since 2×97227691758505² (a number of 29 digits) contains 22 as substring.

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 63 ways as a sum of consecutive naturals, for example, 39214899 + ... + 41620471.

It is an arithmetic number, because the mean of its divisors is an integer number (2311458322824).

Almost surely, 2^{97227691758505} is an apocalyptic number.

It is an amenable number.

97227691758505 is a deficient number, since it is larger than the sum of its proper divisors (50705640902231).

97227691758505 is a wasteful number, since it uses less digits than its factorization.

97227691758505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2407378.

The product of its (nonzero) digits is 666792000, while the sum is 73.

The spelling of 97227691758505 in words is "ninety-seven trillion, two hundred twenty-seven billion, six hundred ninety-one million, seven hundred fifty-eight thousand, five hundred five".