83130237 has 12 divisors (see below), whose sum is σ = 120179904. Its totient is φ = 55372680.

The previous prime is 83130209. The next prime is 83130259. The reversal of 83130237 is 73203138.

It is not a de Polignac number, because 83130237 - 2⁷ = 83130109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 83130237.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83130287) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9562 + ... + 16052.

It is an arithmetic number, because the mean of its divisors is an integer number (10014992).

Almost surely, 2^83130237 is an apocalyptic number.

It is an amenable number.

83130237 is a deficient number, since it is larger than the sum of its proper divisors (37049667).

83130237 is a wasteful number, since it uses less digits than its factorization.

83130237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7920 (or 7917 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 83130237 is about 9117.5784614118. The cubic root of 83130237 is about 436.4351017303.

The spelling of 83130237 in words is "eighty-three million, one hundred thirty thousand, two hundred thirty-seven".