83466993 has 4 divisors (see below), whose sum is σ = 111289328. Its totient is φ = 55644660.

The previous prime is 83466989. The next prime is 83467031. The reversal of 83466993 is 39966438.

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.

It is not a de Polignac number, because 83466993 - 2² = 83466989 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83466953) 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, 13911163 + ... + 13911168.

It is an arithmetic number, because the mean of its divisors is an integer number (27822332).

Almost surely, 2^83466993 is an apocalyptic number.

It is an amenable number.

83466993 is a deficient number, since it is larger than the sum of its proper divisors (27822335).

83466993 is a wasteful number, since it uses less digits than its factorization.

83466993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27822334.

The product of its digits is 839808, while the sum is 48.

The square root of 83466993 is about 9136.0272000471. The cubic root of 83466993 is about 437.0236325753.

The spelling of 83466993 in words is "eighty-three million, four hundred sixty-six thousand, nine hundred ninety-three".