84538508772 has 96 divisors (see below), whose sum is σ = 204705510912. Its totient is φ = 27136567296.

The previous prime is 84538508767. The next prime is 84538508827. The reversal of 84538508772 is 27780583548.

It is a super-3 number, since 3×84538508772³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18813358 + ... + 18817850.

It is an arithmetic number, because the mean of its divisors is an integer number (2132349072).

Almost surely, 2^84538508772 is an apocalyptic number.

It is an amenable number.

84538508772 is an abundant number, since it is smaller than the sum of its proper divisors (120167002140).

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

84538508772 is a wasteful number, since it uses less digits than its factorization.

84538508772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5077 (or 5075 counting only the distinct ones).

The product of its (nonzero) digits is 15052800, while the sum is 57.

The spelling of 84538508772 in words is "eighty-four billion, five hundred thirty-eight million, five hundred eight thousand, seven hundred seventy-two".