83756061 has 6 divisors (see below), whose sum is σ = 120980990. Its totient is φ = 55837368.

The previous prime is 83756051. The next prime is 83756077. The reversal of 83756061 is 16065738.

83756061 is a `hidden beast` number, since 8 + 37 + 560 + 61 = 666.

It can be written as a sum of positive squares in only one way, i.e., 78322500 + 5433561 = 8850^2 + 2331^2 .

It is not a de Polignac number, because 83756061 - 2¹⁰ = 83755037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83756051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4653106 + ... + 4653123.

Almost surely, 2^83756061 is an apocalyptic number.

It is an amenable number.

83756061 is a deficient number, since it is larger than the sum of its proper divisors (37224929).

83756061 is a wasteful number, since it uses less digits than its factorization.

83756061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9306235 (or 9306232 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 83756061 is about 9151.8337506753. The cubic root of 83756061 is about 437.5275602774.

The spelling of 83756061 in words is "eighty-three million, seven hundred fifty-six thousand, sixty-one".