83649608087 has 4 divisors (see below), whose sum is σ = 83652118680. Its totient is φ = 83647097496.

The previous prime is 83649608057. The next prime is 83649608101. The reversal of 83649608087 is 78080694638.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 83649608087 - 2²⁴ = 83632830871 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 (83649608057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1204637 + ... + 1272182.

It is an arithmetic number, because the mean of its divisors is an integer number (20913029670).

Almost surely, 2^83649608087 is an apocalyptic number.

83649608087 is a deficient number, since it is larger than the sum of its proper divisors (2510593).

83649608087 is a wasteful number, since it uses less digits than its factorization.

83649608087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2510592.

The product of its (nonzero) digits is 13934592, while the sum is 59.

The spelling of 83649608087 in words is "eighty-three billion, six hundred forty-nine million, six hundred eight thousand, eighty-seven".