84805057728 has 112 divisors (see below), whose sum is σ = 253398548320. Its totient is φ = 27804902400.

The previous prime is 84805057723. The next prime is 84805057769. The reversal of 84805057728 is 82775050848.

84805057728 is a `hidden beast` number, since 8 + 48 + 0 + 5 + 0 + 577 + 28 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (84805057721) 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, 296863 + ... + 507678.

Almost surely, 2^84805057728 is an apocalyptic number.

It is an amenable number.

84805057728 is an abundant number, since it is smaller than the sum of its proper divisors (168593490592).

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

84805057728 is a wasteful number, since it uses less digits than its factorization.

84805057728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804623 (or 804607 counting only the distinct ones).

The product of its (nonzero) digits is 5017600, while the sum is 54.

The spelling of 84805057728 in words is "eighty-four billion, eight hundred five million, fifty-seven thousand, seven hundred twenty-eight".