84416137 has 4 divisors (see below), whose sum is σ = 90909700. Its totient is φ = 77922576.

The previous prime is 84416119. The next prime is 84416147. The reversal of 84416137 is 73161448.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34798201 + 49617936 = 5899^2 + 7044^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84416137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84416117) 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, 3246762 + ... + 3246787.

It is an arithmetic number, because the mean of its divisors is an integer number (22727425).

Almost surely, 2^84416137 is an apocalyptic number.

It is an amenable number.

84416137 is a deficient number, since it is larger than the sum of its proper divisors (6493563).

84416137 is a wasteful number, since it uses less digits than its factorization.

84416137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6493562.

The product of its digits is 16128, while the sum is 34.

The square root of 84416137 is about 9187.8254772280. The cubic root of 84416137 is about 438.6739293391.

The spelling of 84416137 in words is "eighty-four million, four hundred sixteen thousand, one hundred thirty-seven".