83461885 has 16 divisors (see below), whose sum is σ = 108433584. Its totient is φ = 61304832.

The previous prime is 83461883. The next prime is 83461897. The reversal of 83461885 is 58816438.

It can be written as a sum of positive squares in 8 ways, for example, as 35976004 + 47485881 = 5998^2 + 6891^2 .

It is a cyclic number.

It is not a de Polignac number, because 83461885 - 2¹ = 83461883 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 (83461883) 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, 9219 + ... + 15871.

It is an arithmetic number, because the mean of its divisors is an integer number (6777099).

Almost surely, 2^83461885 is an apocalyptic number.

It is an amenable number.

83461885 is a deficient number, since it is larger than the sum of its proper divisors (24971699).

83461885 is a wasteful number, since it uses less digits than its factorization.

83461885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6864.

The product of its digits is 184320, while the sum is 43.

The square root of 83461885 is about 9135.7476431872. The cubic root of 83461885 is about 437.0147174254.

The spelling of 83461885 in words is "eighty-three million, four hundred sixty-one thousand, eight hundred eighty-five".