7741287828 has 24 divisors (see below), whose sum is σ = 20070005760. Its totient is φ = 2580429240.

The previous prime is 7741287823. The next prime is 7741287863. The reversal of 7741287828 is 8287821477.

7741287828 is a `hidden beast` number, since 77 + 412 + 87 + 82 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7741287821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35839188 + ... + 35839403.

It is an arithmetic number, because the mean of its divisors is an integer number (836250240).

Almost surely, 2^7741287828 is an apocalyptic number.

It is an amenable number.

7741287828 is an abundant number, since it is smaller than the sum of its proper divisors (12328717932).

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

7741287828 is a wasteful number, since it uses less digits than its factorization.

7741287828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71678604 (or 71678596 counting only the distinct ones).

The product of its digits is 2809856, while the sum is 54.

The square root of 7741287828 is about 87984.5885823193. The cubic root of 7741287828 is about 1978.2039820129.

The spelling of 7741287828 in words is "seven billion, seven hundred forty-one million, two hundred eighty-seven thousand, eight hundred twenty-eight".