83158207 has 4 divisors (see below), whose sum is σ = 90718056. Its totient is φ = 75598360.

The previous prime is 83158157. The next prime is 83158211. The reversal of 83158207 is 70285138.

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-83158207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83158217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3779908 + ... + 3779929.

It is an arithmetic number, because the mean of its divisors is an integer number (22679514).

Almost surely, 2^83158207 is an apocalyptic number.

83158207 is a deficient number, since it is larger than the sum of its proper divisors (7559849).

83158207 is a wasteful number, since it uses less digits than its factorization.

83158207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7559848.

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

The square root of 83158207 is about 9119.1121826634. The cubic root of 83158207 is about 436.4840438939.

The spelling of 83158207 in words is "eighty-three million, one hundred fifty-eight thousand, two hundred seven".