83881437 has 8 divisors (see below), whose sum is σ = 116704704. Its totient is φ = 53489568.

The previous prime is 83881423. The next prime is 83881481. The reversal of 83881437 is 73418838.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 83881437 - 2¹⁰ = 83880413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83881337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 607768 + ... + 607905.

It is an arithmetic number, because the mean of its divisors is an integer number (14588088).

Almost surely, 2^83881437 is an apocalyptic number.

It is an amenable number.

83881437 is a deficient number, since it is larger than the sum of its proper divisors (32823267).

83881437 is a wasteful number, since it uses less digits than its factorization.

83881437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215699.

The product of its digits is 129024, while the sum is 42.

The square root of 83881437 is about 9158.6809639817. The cubic root of 83881437 is about 437.7457658063.

The spelling of 83881437 in words is "eighty-three million, eight hundred eighty-one thousand, four hundred thirty-seven".