83538867 has 16 divisors (see below), whose sum is σ = 119940480. Its totient is φ = 51526272.

The previous prime is 83538863. The next prime is 83538869. The reversal of 83538867 is 76883538.

It is a happy number.

It is not a de Polignac number, because 83538867 - 2² = 83538863 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83538863) 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 15 ways as a sum of consecutive naturals, for example, 10873 + ... + 16890.

It is an arithmetic number, because the mean of its divisors is an integer number (7496280).

Almost surely, 2^83538867 is an apocalyptic number.

83538867 is a deficient number, since it is larger than the sum of its proper divisors (36401613).

83538867 is a wasteful number, since it uses less digits than its factorization.

83538867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27842.

The product of its digits is 967680, while the sum is 48.

The square root of 83538867 is about 9139.9599014438. The cubic root of 83538867 is about 437.1490379352.

The spelling of 83538867 in words is "eighty-three million, five hundred thirty-eight thousand, eight hundred sixty-seven".