83828199561 has 8 divisors (see below), whose sum is σ = 111772476864. Its totient is φ = 55884694320.

The previous prime is 83828199547. The next prime is 83828199569. The reversal of 83828199561 is 16599182838.

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

It is not a de Polignac number, because 83828199561 - 2⁵ = 83828199529 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 83828199495 and 83828199504.

It is not an unprimeable number, because it can be changed into a prime (83828199569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144796 + ... + 434306.

It is an arithmetic number, because the mean of its divisors is an integer number (13971559608).

Almost surely, 2^83828199561 is an apocalyptic number.

It is an amenable number.

83828199561 is a deficient number, since it is larger than the sum of its proper divisors (27944277303).

83828199561 is a wasteful number, since it uses less digits than its factorization.

83828199561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386031.

The product of its digits is 7464960, while the sum is 60.

The spelling of 83828199561 in words is "eighty-three billion, eight hundred twenty-eight million, one hundred ninety-nine thousand, five hundred sixty-one".