83680881087 has 8 divisors (see below), whose sum is σ = 112388921136. Its totient is φ = 55380047552.

The previous prime is 83680881083. The next prime is 83680881101. The reversal of 83680881087 is 78018808638.

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 83680881087 - 2² = 83680881083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83680881083) 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, 101801148 + ... + 101801969.

It is an arithmetic number, because the mean of its divisors is an integer number (14048615142).

Almost surely, 2^83680881087 is an apocalyptic number.

83680881087 is a deficient number, since it is larger than the sum of its proper divisors (28708040049).

83680881087 is a wasteful number, since it uses less digits than its factorization.

83680881087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203603257.

The product of its (nonzero) digits is 4128768, while the sum is 57.

The spelling of 83680881087 in words is "eighty-three billion, six hundred eighty million, eight hundred eighty-one thousand, eighty-seven".