84751568 has 40 divisors (see below), whose sum is σ = 179753376. Its totient is φ = 38390400.

The previous prime is 84751561. The next prime is 84751577. The reversal of 84751568 is 86515748.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84751561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65003 + ... + 66293.

Almost surely, 2^84751568 is an apocalyptic number.

84751568 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84751568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89876688).

84751568 is an abundant number, since it is smaller than the sum of its proper divisors (95001808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84751568 is a wasteful number, since it uses less digits than its factorization.

84751568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1683 (or 1677 counting only the distinct ones).

The product of its digits is 268800, while the sum is 44.

The square root of 84751568 is about 9206.0614814371. The cubic root of 84751568 is about 439.2541910985.

The spelling of 84751568 in words is "eighty-four million, seven hundred fifty-one thousand, five hundred sixty-eight".