84606755728 has 80 divisors (see below), whose sum is σ = 193965710400. Its totient is φ = 35312537600.

The previous prime is 84606755671. The next prime is 84606755803. The reversal of 84606755728 is 82755760648.

It is a happy number.

It is a super-2 number, since 2×84606755728² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222178 + ... + 467521.

It is an arithmetic number, because the mean of its divisors is an integer number (2424571380).

Almost surely, 2^84606755728 is an apocalyptic number.

84606755728 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

84606755728 is an abundant number, since it is smaller than the sum of its proper divisors (109358954672).

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

84606755728 is a wasteful number, since it uses less digits than its factorization.

84606755728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689776 (or 689770 counting only the distinct ones).

The product of its (nonzero) digits is 22579200, while the sum is 58.

The spelling of 84606755728 in words is "eighty-four billion, six hundred six million, seven hundred fifty-five thousand, seven hundred twenty-eight".