104642783 has 20 divisors (see below), whose sum is σ = 125171088. Its totient is φ = 87423840.

The previous prime is 104642777. The next prime is 104642789. The reversal of 104642783 is 387246401.

It is an interprime number because it is at equal distance from previous prime (104642777) and next prime (104642789).

It is not a de Polignac number, because 104642783 - 2⁶ = 104642719 is a prime.

It is a super-2 number, since 2×104642783² = 21900224067970178, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104642789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 97910 + ... + 98972.

Almost surely, 2^104642783 is an apocalyptic number.

104642783 is a deficient number, since it is larger than the sum of its proper divisors (20528305).

104642783 is an frugal number, since it uses more digits than its factorization.

104642783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132 (or 1111 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 104642783 is about 10229.5055110206. The cubic root of 104642783 is about 471.2337932028.

The spelling of 104642783 in words is "one hundred four million, six hundred forty-two thousand, seven hundred eighty-three".