84144037 has 4 divisors (see below), whose sum is σ = 84169216. Its totient is φ = 84118860.

The previous prime is 84144029. The next prime is 84144041. The reversal of 84144037 is 73044148.

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 a cyclic number.

It is not a de Polignac number, because 84144037 - 2³ = 84144029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84148037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6639 + ... + 14572.

It is an arithmetic number, because the mean of its divisors is an integer number (21042304).

Almost surely, 2^84144037 is an apocalyptic number.

It is an amenable number.

84144037 is a deficient number, since it is larger than the sum of its proper divisors (25179).

84144037 is a wasteful number, since it uses less digits than its factorization.

84144037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25178.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 84144037 is about 9173.0058868399. The cubic root of 84144037 is about 438.2020935858.

The spelling of 84144037 in words is "eighty-four million, one hundred forty-four thousand, thirty-seven".