84557275548 has 96 divisors (see below), whose sum is σ = 202555745280. Its totient is φ = 27447302400.

The previous prime is 84557275541. The next prime is 84557275571.

It is a happy number.

84557275548 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 84557275491 and 84557275500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84557275541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24040686 + ... + 24044202.

It is an arithmetic number, because the mean of its divisors is an integer number (2109955680).

Almost surely, 2^84557275548 is an apocalyptic number.

It is an amenable number.

84557275548 is an abundant number, since it is smaller than the sum of its proper divisors (117998469732).

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

84557275548 is a wasteful number, since it uses less digits than its factorization.

84557275548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3947 (or 3945 counting only the distinct ones).

The product of its digits is 62720000, while the sum is 60.

The spelling of 84557275548 in words is "eighty-four billion, five hundred fifty-seven million, two hundred seventy-five thousand, five hundred forty-eight".