84828783 has 8 divisors (see below), whose sum is σ = 121805488. Its totient is φ = 52202304.

The previous prime is 84828769. The next prime is 84828811. The reversal of 84828783 is 38782848.

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

It is not a de Polignac number, because 84828783 - 2⁶ = 84828719 is a prime.

It is a super-2 number, since 2×84828783² = 14391844850522178, 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 (84828763) 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, 1087510 + ... + 1087587.

It is an arithmetic number, because the mean of its divisors is an integer number (15225686).

Almost surely, 2^84828783 is an apocalyptic number.

84828783 is a deficient number, since it is larger than the sum of its proper divisors (36976705).

84828783 is a wasteful number, since it uses less digits than its factorization.

84828783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2175113.

The product of its digits is 688128, while the sum is 48.

The square root of 84828783 is about 9210.2542310188. The cubic root of 84828783 is about 439.3875483845.

The spelling of 84828783 in words is "eighty-four million, eight hundred twenty-eight thousand, seven hundred eighty-three".