83377243 has 4 divisors (see below), whose sum is σ = 85630720. Its totient is φ = 81123768.

The previous prime is 83377213. The next prime is 83377337. The reversal of 83377243 is 34277338.

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 83377243 - 2⁵ = 83377211 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 2253439 = 83377243 / (8 + 3 + 3 + 7 + 7 + 2 + 4 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83377213) 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, 1126683 + ... + 1126756.

It is an arithmetic number, because the mean of its divisors is an integer number (21407680).

Almost surely, 2^83377243 is an apocalyptic number.

83377243 is a deficient number, since it is larger than the sum of its proper divisors (2253477).

83377243 is a wasteful number, since it uses less digits than its factorization.

83377243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2253476.

The product of its digits is 84672, while the sum is 37.

The square root of 83377243 is about 9131.1140065164. The cubic root of 83377243 is about 436.8669361516.

The spelling of 83377243 in words is "eighty-three million, three hundred seventy-seven thousand, two hundred forty-three".