83185207 has 4 divisors (see below), whose sum is σ = 95068816. Its totient is φ = 71301600.

The previous prime is 83185189. The next prime is 83185217. The reversal of 83185207 is 70258138.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83185207 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 (83185217) 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, 5941794 + ... + 5941807.

It is an arithmetic number, because the mean of its divisors is an integer number (23767204).

Almost surely, 2^83185207 is an apocalyptic number.

83185207 is a deficient number, since it is larger than the sum of its proper divisors (11883609).

83185207 is a wasteful number, since it uses less digits than its factorization.

83185207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11883608.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 83185207 is about 9120.5924697905. The cubic root of 83185207 is about 436.5312783336.

The spelling of 83185207 in words is "eighty-three million, one hundred eighty-five thousand, two hundred seven".