83091395497 has 4 divisors (see below), whose sum is σ = 90645158736. Its totient is φ = 75537632260.

The previous prime is 83091395477. The next prime is 83091395501. The reversal of 83091395497 is 79459319038.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 83091395497 - 2³¹ = 80943911849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83091395407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3776881603 + ... + 3776881624.

It is an arithmetic number, because the mean of its divisors is an integer number (22661289684).

Almost surely, 2^83091395497 is an apocalyptic number.

It is an amenable number.

83091395497 is a deficient number, since it is larger than the sum of its proper divisors (7553763239).

83091395497 is a wasteful number, since it uses less digits than its factorization.

83091395497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7553763238.

The product of its (nonzero) digits is 7348320, while the sum is 58.

The spelling of 83091395497 in words is "eighty-three billion, ninety-one million, three hundred ninety-five thousand, four hundred ninety-seven".