83486537 has 4 divisors (see below), whose sum is σ = 85522836. Its totient is φ = 81450240.

The previous prime is 83486531. The next prime is 83486549. The reversal of 83486537 is 73568438.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 73568438 = 2 ⋅36784219.

It can be written as a sum of positive squares in 2 ways, for example, as 1692601 + 81793936 = 1301^2 + 9044^2 .

It is a cyclic number.

It is not a de Polignac number, because 83486537 - 2⁸ = 83486281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83486531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1018088 + ... + 1018169.

It is an arithmetic number, because the mean of its divisors is an integer number (21380709).

Almost surely, 2^83486537 is an apocalyptic number.

It is an amenable number.

83486537 is a deficient number, since it is larger than the sum of its proper divisors (2036299).

83486537 is a wasteful number, since it uses less digits than its factorization.

83486537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2036298.

The product of its digits is 483840, while the sum is 44.

The square root of 83486537 is about 9137.0967489679. The cubic root of 83486537 is about 437.0577399631.

The spelling of 83486537 in words is "eighty-three million, four hundred eighty-six thousand, five hundred thirty-seven".