8181774076 has 96 divisors (see below), whose sum is σ = 18018201600. Its totient is φ = 3169981440.

The previous prime is 8181774071. The next prime is 8181774113. The reversal of 8181774076 is 6704771818.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8181774071) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2049090 + ... + 2053078.

It is an arithmetic number, because the mean of its divisors is an integer number (187689600).

Almost surely, 2^8181774076 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8181774076, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9009100800).

8181774076 is an abundant number, since it is smaller than the sum of its proper divisors (9836427524).

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

8181774076 is a wasteful number, since it uses less digits than its factorization.

8181774076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4187 (or 4185 counting only the distinct ones).

The product of its (nonzero) digits is 526848, while the sum is 49.

The square root of 8181774076 is about 90453.1595689172. The cubic root of 8181774076 is about 2015.0345378059.

The spelling of 8181774076 in words is "eight billion, one hundred eighty-one million, seven hundred seventy-four thousand, seventy-six".