83783481 has 8 divisors (see below), whose sum is σ = 113604960. Its totient is φ = 54908832.

The previous prime is 83783477. The next prime is 83783519. The reversal of 83783481 is 18438738.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 83783481 - 2² = 83783477 is a prime.

It is a super-2 number, since 2×83783481² = 14039343376954722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (83783431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236500 + ... + 236853.

It is an arithmetic number, because the mean of its divisors is an integer number (14200620).

Almost surely, 2^83783481 is an apocalyptic number.

It is an amenable number.

83783481 is a deficient number, since it is larger than the sum of its proper divisors (29821479).

83783481 is a wasteful number, since it uses less digits than its factorization.

83783481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473415.

The product of its digits is 129024, while the sum is 42.

The square root of 83783481 is about 9153.3316885165. The cubic root of 83783481 is about 437.5753008891.

The spelling of 83783481 in words is "eighty-three million, seven hundred eighty-three thousand, four hundred eighty-one".