83840108501 has 8 divisors (see below), whose sum is σ = 86257094784. Its totient is φ = 81457405920.

The previous prime is 83840108489. The next prime is 83840108509. The reversal of 83840108501 is 10580104838.

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-83840108501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83840108509) 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, 8565965 + ... + 8575746.

It is an arithmetic number, because the mean of its divisors is an integer number (10782136848).

Almost surely, 2^83840108501 is an apocalyptic number.

It is an amenable number.

83840108501 is a deficient number, since it is larger than the sum of its proper divisors (2416986283).

83840108501 is a wasteful number, since it uses less digits than its factorization.

83840108501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17141851.

The product of its (nonzero) digits is 30720, while the sum is 38.

The spelling of 83840108501 in words is "eighty-three billion, eight hundred forty million, one hundred eight thousand, five hundred one".