83424021097 has 8 divisors (see below), whose sum is σ = 83791188936. Its totient is φ = 83056931712.

The previous prime is 83424021077. The next prime is 83424021113. The reversal of 83424021097 is 79012042438.

It can be written as a sum of positive squares in 4 ways, for example, as 58430736 + 83365590361 = 7644^2 + 288731^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83424021097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83424021047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3435603 + ... + 3459799.

It is an arithmetic number, because the mean of its divisors is an integer number (10473898617).

Almost surely, 2^83424021097 is an apocalyptic number.

It is an amenable number.

83424021097 is a deficient number, since it is larger than the sum of its proper divisors (367167839).

83424021097 is a wasteful number, since it uses less digits than its factorization.

83424021097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39227.

The product of its (nonzero) digits is 96768, while the sum is 40.

The spelling of 83424021097 in words is "eighty-three billion, four hundred twenty-four million, twenty-one thousand, ninety-seven".