83328537 has 4 divisors (see below), whose sum is σ = 111104720. Its totient is φ = 55552356.

The previous prime is 83328533. The next prime is 83328541. The reversal of 83328537 is 73582338.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (83328533) and next prime (83328541).

It is not a de Polignac number, because 83328537 - 2² = 83328533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 83328495 and 83328504.

It is not an unprimeable number, because it can be changed into a prime (83328533) 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, 13888087 + ... + 13888092.

It is an arithmetic number, because the mean of its divisors is an integer number (27776180).

Almost surely, 2^83328537 is an apocalyptic number.

It is an amenable number.

83328537 is a deficient number, since it is larger than the sum of its proper divisors (27776183).

83328537 is a wasteful number, since it uses less digits than its factorization.

83328537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27776182.

The product of its digits is 120960, while the sum is 39.

The square root of 83328537 is about 9128.4465819766. The cubic root of 83328537 is about 436.7818522412.

The spelling of 83328537 in words is "eighty-three million, three hundred twenty-eight thousand, five hundred thirty-seven".