84127000520 has 64 divisors (see below), whose sum is σ = 190614021120. Its totient is φ = 33415147264.

The previous prime is 84127000519. The next prime is 84127000523. The reversal of 84127000520 is 2500072148.

It is not an unprimeable number, because it can be changed into a prime (84127000523) 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, 5964917 + ... + 5979003.

It is an arithmetic number, because the mean of its divisors is an integer number (2978344080).

Almost surely, 2^84127000520 is an apocalyptic number.

It is an amenable number.

84127000520 is an abundant number, since it is smaller than the sum of its proper divisors (106487020600).

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

84127000520 is a wasteful number, since it uses less digits than its factorization.

84127000520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15134 (or 15130 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 29.

Adding to 84127000520 its reverse (2500072148), we get a palindrome (86627072668).

The spelling of 84127000520 in words is "eighty-four billion, one hundred twenty-seven million, five hundred twenty", and thus it is an aban number.