83942995 has 4 divisors (see below), whose sum is σ = 100731600. Its totient is φ = 67154392.

The previous prime is 83942977. The next prime is 83943001. The reversal of 83942995 is 59924938.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 83942995 - 2⁹ = 83942483 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8394295 + ... + 8394304.

It is an arithmetic number, because the mean of its divisors is an integer number (25182900).

Almost surely, 2^83942995 is an apocalyptic number.

83942995 is a deficient number, since it is larger than the sum of its proper divisors (16788605).

83942995 is a wasteful number, since it uses less digits than its factorization.

83942995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16788604.

The product of its digits is 699840, while the sum is 49.

The square root of 83942995 is about 9162.0409844095. The cubic root of 83942995 is about 437.8528223284.

It can be divided in two parts, 839 and 42995, that added together give a palindrome (43834).

The spelling of 83942995 in words is "eighty-three million, nine hundred forty-two thousand, nine hundred ninety-five".