83785193 has 4 divisors (see below), whose sum is σ = 88194960. Its totient is φ = 79375428.

The previous prime is 83785189. The next prime is 83785201. The reversal of 83785193 is 39158738.

It is a happy number.

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: 39158738 = 2 ⋅19579369.

It is a cyclic number.

It is not a de Polignac number, because 83785193 - 2² = 83785189 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83785153) 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, 2204855 + ... + 2204892.

It is an arithmetic number, because the mean of its divisors is an integer number (22048740).

Almost surely, 2^83785193 is an apocalyptic number.

It is an amenable number.

83785193 is a deficient number, since it is larger than the sum of its proper divisors (4409767).

83785193 is a wasteful number, since it uses less digits than its factorization.

83785193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4409766.

The product of its digits is 181440, while the sum is 44.

The square root of 83785193 is about 9153.4252058997. The cubic root of 83785193 is about 437.5782812849.

The spelling of 83785193 in words is "eighty-three million, seven hundred eighty-five thousand, one hundred ninety-three".