87027912 has 128 divisors (see below), whose sum is σ = 256435200. Its totient is φ = 27302400.

The previous prime is 87027911. The next prime is 87027917. The reversal of 87027912 is 21972078.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (87027911) 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, 274378 + ... + 274694.

It is an arithmetic number, because the mean of its divisors is an integer number (2003400).

Almost surely, 2^87027912 is an apocalyptic number.

87027912 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87027912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128217600).

87027912 is an abundant number, since it is smaller than the sum of its proper divisors (169407288).

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

87027912 is a wasteful number, since it uses less digits than its factorization.

87027912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404 (or 394 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 87027912 is about 9328.8751733529. The cubic root of 87027912 is about 443.1521438464.

It can be divided in two parts, 870 and 27912, that added together give a palindrome (28782).

The spelling of 87027912 in words is "eighty-seven million, twenty-seven thousand, nine hundred twelve".