83697413 has 4 divisors (see below), whose sum is σ = 88102560. Its totient is φ = 79292268.

The previous prime is 83697407. The next prime is 83697421. The reversal of 83697413 is 31479638.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31479638 = 2 ⋅15739819.

It is a cyclic number.

It is not a de Polignac number, because 83697413 - 2⁶ = 83697349 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 (83697463) 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, 2202545 + ... + 2202582.

It is an arithmetic number, because the mean of its divisors is an integer number (22025640).

Almost surely, 2^83697413 is an apocalyptic number.

It is an amenable number.

83697413 is a deficient number, since it is larger than the sum of its proper divisors (4405147).

83697413 is a wasteful number, since it uses less digits than its factorization.

83697413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4405146.

The product of its digits is 108864, while the sum is 41.

The square root of 83697413 is about 9148.6290229739. The cubic root of 83697413 is about 437.4254140062.

The spelling of 83697413 in words is "eighty-three million, six hundred ninety-seven thousand, four hundred thirteen".