84750890828 has 24 divisors (see below), whose sum is σ = 150209715600. Its totient is φ = 41835967488.

The previous prime is 84750890827. The next prime is 84750890863. The reversal of 84750890828 is 82809805748.

It is a super-2 number, since 2×84750890828² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (84750890827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108338 + ... + 425721.

It is an arithmetic number, because the mean of its divisors is an integer number (6258738150).

Almost surely, 2^84750890828 is an apocalyptic number.

It is an amenable number.

84750890828 is a deficient number, since it is larger than the sum of its proper divisors (65458824772).

84750890828 is a wasteful number, since it uses less digits than its factorization.

84750890828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534569 (or 534567 counting only the distinct ones).

The product of its (nonzero) digits is 10321920, while the sum is 59.

The spelling of 84750890828 in words is "eighty-four billion, seven hundred fifty million, eight hundred ninety thousand, eight hundred twenty-eight".