83580157 has 2 divisors, whose sum is σ = 83580158. Its totient is φ = 83580156.

The previous prime is 83580149. The next prime is 83580173. The reversal of 83580157 is 75108538.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74753316 + 8826841 = 8646^2 + 2971^2 .

It is a cyclic number.

It is not a de Polignac number, because 83580157 - 2³ = 83580149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83580127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41790078 + 41790079.

It is an arithmetic number, because the mean of its divisors is an integer number (41790079).

Almost surely, 2^83580157 is an apocalyptic number.

It is an amenable number.

83580157 is a deficient number, since it is larger than the sum of its proper divisors (1).

83580157 is an equidigital number, since it uses as much as digits as its factorization.

83580157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33600, while the sum is 37.

The square root of 83580157 is about 9142.2183850529. The cubic root of 83580157 is about 437.2210479726.

The spelling of 83580157 in words is "eighty-three million, five hundred eighty thousand, one hundred fifty-seven".