83582783 has 4 divisors (see below), whose sum is σ = 83640480. Its totient is φ = 83525088.

The previous prime is 83582777. The next prime is 83582809. The reversal of 83582783 is 38728538.

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 83582783 - 2¹² = 83578687 is a prime.

It is a super-2 number, since 2×83582783² = 13972163228050178, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83582753) 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, 26618 + ... + 29591.

It is an arithmetic number, because the mean of its divisors is an integer number (20910120).

Almost surely, 2^83582783 is an apocalyptic number.

83582783 is a deficient number, since it is larger than the sum of its proper divisors (57697).

83582783 is a wasteful number, since it uses less digits than its factorization.

83582783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57696.

The product of its digits is 322560, while the sum is 44.

The square root of 83582783 is about 9142.3620033337. The cubic root of 83582783 is about 437.2256269321.

The spelling of 83582783 in words is "eighty-three million, five hundred eighty-two thousand, seven hundred eighty-three".