87146112 has 32 divisors (see below), whose sum is σ = 231482880. Its totient is φ = 29048576.

The previous prime is 87146093. The next prime is 87146113. The reversal of 87146112 is 21164178.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 87146112.

It is not an unprimeable number, because it can be changed into a prime (87146113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113088 + ... + 113855.

It is an arithmetic number, because the mean of its divisors is an integer number (7233840).

Almost surely, 2^87146112 is an apocalyptic number.

It is an amenable number.

87146112 is an abundant number, since it is smaller than the sum of its proper divisors (144336768).

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

87146112 is a wasteful number, since it uses less digits than its factorization.

87146112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226960 (or 226948 counting only the distinct ones).

The product of its digits is 2688, while the sum is 30.

The square root of 87146112 is about 9335.2081926436. The cubic root of 87146112 is about 443.3526806087.

The spelling of 87146112 in words is "eighty-seven million, one hundred forty-six thousand, one hundred twelve".