83976231 has 4 divisors (see below), whose sum is σ = 111968312. Its totient is φ = 55984152.

The previous prime is 83976227. The next prime is 83976247. The reversal of 83976231 is 13267938.

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

It is not a de Polignac number, because 83976231 - 2² = 83976227 is a prime.

It is a super-2 number, since 2×83976231² = 14104014745930722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 83976231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83976331) 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, 13996036 + ... + 13996041.

It is an arithmetic number, because the mean of its divisors is an integer number (27992078).

Almost surely, 2^83976231 is an apocalyptic number.

83976231 is a deficient number, since it is larger than the sum of its proper divisors (27992081).

83976231 is a wasteful number, since it uses less digits than its factorization.

83976231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27992080.

The product of its digits is 54432, while the sum is 39.

The square root of 83976231 is about 9163.8545929101. The cubic root of 83976231 is about 437.9106018418.

The spelling of 83976231 in words is "eighty-three million, nine hundred seventy-six thousand, two hundred thirty-one".