8781796428 has 48 divisors (see below), whose sum is σ = 22507134720. Its totient is φ = 2652623424.

The previous prime is 8781796421. The next prime is 8781796453. The reversal of 8781796428 is 8246971878.

It is a super-3 number, since 3×8781796428³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (8781796421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 832075 + ... + 842562.

It is an arithmetic number, because the mean of its divisors is an integer number (468898640).

Almost surely, 2^8781796428 is an apocalyptic number.

It is an amenable number.

8781796428 is an abundant number, since it is smaller than the sum of its proper divisors (13725338292).

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

8781796428 is a wasteful number, since it uses less digits than its factorization.

8781796428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1674686 (or 1674684 counting only the distinct ones).

The product of its digits is 10838016, while the sum is 60.

The square root of 8781796428 is about 93711.2396033688. The cubic root of 8781796428 is about 2063.1356735348.

The spelling of 8781796428 in words is "eight billion, seven hundred eighty-one million, seven hundred ninety-six thousand, four hundred twenty-eight".