83636833885 has 32 divisors (see below), whose sum is σ = 109969114752. Its totient is φ = 60560052480.

The previous prime is 83636833883. The next prime is 83636833901. The reversal of 83636833885 is 58833863638.

It is not a de Polignac number, because 83636833885 - 2¹ = 83636833883 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 (83636833883) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22994287 + ... + 22997923.

It is an arithmetic number, because the mean of its divisors is an integer number (3436534836).

Almost surely, 2^83636833885 is an apocalyptic number.

It is an amenable number.

83636833885 is a deficient number, since it is larger than the sum of its proper divisors (26332280867).

83636833885 is a wasteful number, since it uses less digits than its factorization.

83636833885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5373.

The product of its digits is 59719680, while the sum is 61.

The spelling of 83636833885 in words is "eighty-three billion, six hundred thirty-six million, eight hundred thirty-three thousand, eight hundred eighty-five".