83307207 has 4 divisors (see below), whose sum is σ = 111076280. Its totient is φ = 55538136.

The previous prime is 83307139. The next prime is 83307247. The reversal of 83307207 is 70270338.

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

It is not a de Polignac number, because 83307207 - 2⁷ = 83307079 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 (83307247) 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, 13884532 + ... + 13884537.

It is an arithmetic number, because the mean of its divisors is an integer number (27769070).

Almost surely, 2^83307207 is an apocalyptic number.

83307207 is a deficient number, since it is larger than the sum of its proper divisors (27769073).

83307207 is a wasteful number, since it uses less digits than its factorization.

83307207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27769072.

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 83307207 is about 9127.2781813638. The cubic root of 83307207 is about 436.7445806881.

The spelling of 83307207 in words is "eighty-three million, three hundred seven thousand, two hundred seven".