83580377 has 4 divisors (see below), whose sum is σ = 83785140. Its totient is φ = 83375616.

The previous prime is 83580361. The next prime is 83580421. The reversal of 83580377 is 77308538.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 77308538 = 2 ⋅38654269.

It can be written as a sum of positive squares in 2 ways, for example, as 81342361 + 2238016 = 9019^2 + 1496^2 .

It is a cyclic number.

It is not a de Polignac number, because 83580377 - 2⁴ = 83580361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83580307) 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 3 ways as a sum of consecutive naturals, for example, 101768 + ... + 102585.

It is an arithmetic number, because the mean of its divisors is an integer number (20946285).

Almost surely, 2^83580377 is an apocalyptic number.

It is an amenable number.

83580377 is a deficient number, since it is larger than the sum of its proper divisors (204763).

83580377 is a wasteful number, since it uses less digits than its factorization.

83580377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204762.

The product of its (nonzero) digits is 141120, while the sum is 41.

The square root of 83580377 is about 9142.2304171356. The cubic root of 83580377 is about 437.2214315906.

The spelling of 83580377 in words is "eighty-three million, five hundred eighty thousand, three hundred seventy-seven".