83688677 has 2 divisors, whose sum is σ = 83688678. Its totient is φ = 83688676.

The previous prime is 83688653. The next prime is 83688713. The reversal of 83688677 is 77688638.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59737441 + 23951236 = 7729^2 + 4894^2 .

It is a cyclic number.

It is not a de Polignac number, because 83688677 - 2⁶ = 83688613 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83688607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41844338 + 41844339.

It is an arithmetic number, because the mean of its divisors is an integer number (41844339).

Almost surely, 2^83688677 is an apocalyptic number.

It is an amenable number.

83688677 is a deficient number, since it is larger than the sum of its proper divisors (1).

83688677 is an equidigital number, since it uses as much as digits as its factorization.

83688677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2709504, while the sum is 53.

The square root of 83688677 is about 9148.1515619277. The cubic root of 83688677 is about 437.4101945737.

The spelling of 83688677 in words is "eighty-three million, six hundred eighty-eight thousand, six hundred seventy-seven".