8236774128 has 80 divisors (see below), whose sum is σ = 23279760000. Its totient is φ = 2488784640.

The previous prime is 8236774127. The next prime is 8236774157. The reversal of 8236774128 is 8214776328.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8236774127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161923 + ... + 206621.

It is an arithmetic number, because the mean of its divisors is an integer number (290997000).

Almost surely, 2^8236774128 is an apocalyptic number.

8236774128 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 8236774128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11639880000).

8236774128 is an abundant number, since it is smaller than the sum of its proper divisors (15042985872).

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

8236774128 is a wasteful number, since it uses less digits than its factorization.

8236774128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45070 (or 45064 counting only the distinct ones).

The product of its digits is 903168, while the sum is 48.

The square root of 8236774128 is about 90756.6753908493. The cubic root of 8236774128 is about 2019.5396565603.

The spelling of 8236774128 in words is "eight billion, two hundred thirty-six million, seven hundred seventy-four thousand, one hundred twenty-eight".