83381761 has 8 divisors (see below), whose sum is σ = 84801600. Its totient is φ = 81968880.

The previous prime is 83381759. The next prime is 83381797. The reversal of 83381761 is 16718338.

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

It is a cyclic number.

It is not a de Polignac number, because 83381761 - 2¹ = 83381759 is a prime.

It is a super-2 number, since 2×83381761² = 13905036134922242, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 83381761.

It is not an unprimeable number, because it can be changed into a prime (83381731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26110 + ... + 29128.

It is an arithmetic number, because the mean of its divisors is an integer number (10600200).

Almost surely, 2^83381761 is an apocalyptic number.

It is an amenable number.

83381761 is a deficient number, since it is larger than the sum of its proper divisors (1419839).

83381761 is a wasteful number, since it uses less digits than its factorization.

83381761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3479.

The product of its digits is 24192, while the sum is 37.

The square root of 83381761 is about 9131.3613990467. The cubic root of 83381761 is about 436.8748269105.

The spelling of 83381761 in words is "eighty-three million, three hundred eighty-one thousand, seven hundred sixty-one".