8267941728 has 48 divisors (see below), whose sum is σ = 24114832560. Its totient is φ = 2755980288.

The previous prime is 8267941727. The next prime is 8267941741. The reversal of 8267941728 is 8271497628.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

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 (8267941727) 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, 4783825 + ... + 4785552.

It is an arithmetic number, because the mean of its divisors is an integer number (502392345).

Almost surely, 2^8267941728 is an apocalyptic number.

It is an amenable number.

8267941728 is an abundant number, since it is smaller than the sum of its proper divisors (15846890832).

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

8267941728 is a wasteful number, since it uses less digits than its factorization.

8267941728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9569396 (or 9569382 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 54.

The square root of 8267941728 is about 90928.2229453540. Note that the first 3 decimals coincide. The cubic root of 8267941728 is about 2022.0837341721.

The spelling of 8267941728 in words is "eight billion, two hundred sixty-seven million, nine hundred forty-one thousand, seven hundred twenty-eight".