83933884987 has 8 divisors (see below), whose sum is σ = 86837022720. Its totient is φ = 81042971880.

The previous prime is 83933884963. The next prime is 83933885017. The reversal of 83933884987 is 78948833938.

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

It is a cyclic number.

It is not a de Polignac number, because 83933884987 - 2¹¹ = 83933882939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83933884927) 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, 3042187 + ... + 3069652.

It is an arithmetic number, because the mean of its divisors is an integer number (10854627840).

Almost surely, 2^83933884987 is an apocalyptic number.

83933884987 is a deficient number, since it is larger than the sum of its proper divisors (2903137733).

83933884987 is a wasteful number, since it uses less digits than its factorization.

83933884987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6112313.

The product of its digits is 250822656, while the sum is 70.

The spelling of 83933884987 in words is "eighty-three billion, nine hundred thirty-three million, eight hundred eighty-four thousand, nine hundred eighty-seven".