83850583551 has 24 divisors (see below), whose sum is σ = 130428840960. Its totient is φ = 47776507632.

The previous prime is 83850583547. The next prime is 83850583559. The reversal of 83850583551 is 15538505838.

It is not a de Polignac number, because 83850583551 - 2² = 83850583547 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 83850583494 and 83850583503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83850583559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 770911 + ... + 872928.

It is an arithmetic number, because the mean of its divisors is an integer number (5434535040).

Almost surely, 2^83850583551 is an apocalyptic number.

83850583551 is a deficient number, since it is larger than the sum of its proper divisors (46578257409).

83850583551 is a wasteful number, since it uses less digits than its factorization.

83850583551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1644203 (or 1644196 counting only the distinct ones).

The product of its (nonzero) digits is 2880000, while the sum is 51.

The spelling of 83850583551 in words is "eighty-three billion, eight hundred fifty million, five hundred eighty-three thousand, five hundred fifty-one".