97798423745 has 8 divisors (see below), whose sum is σ = 128027027520. Its totient is φ = 71126126320.

The previous prime is 97798423733. The next prime is 97798423747. The reversal of 97798423745 is 54732489779.

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

It is not a de Polignac number, because 97798423745 - 2¹⁰ = 97798422721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (97798423747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 889076525 + ... + 889076634.

It is an arithmetic number, because the mean of its divisors is an integer number (16003378440).

Almost surely, 2^97798423745 is an apocalyptic number.

It is an amenable number.

97798423745 is a deficient number, since it is larger than the sum of its proper divisors (30228603775).

97798423745 is a wasteful number, since it uses less digits than its factorization.

97798423745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1778153175.

The product of its digits is 106686720, while the sum is 65.

The spelling of 97798423745 in words is "ninety-seven billion, seven hundred ninety-eight million, four hundred twenty-three thousand, seven hundred forty-five".