87884055 has 64 divisors (see below), whose sum is σ = 180357120. Its totient is φ = 39771648.

The previous prime is 87884053. The next prime is 87884057. The reversal of 87884055 is 55048878.

It is an interprime number because it is at equal distance from previous prime (87884053) and next prime (87884057).

It is not a de Polignac number, because 87884055 - 2¹ = 87884053 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 87884055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87884051) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 106374 + ... + 107196.

It is an arithmetic number, because the mean of its divisors is an integer number (2818080).

Almost surely, 2^87884055 is an apocalyptic number.

87884055 is an abundant number, since it is smaller than the sum of its proper divisors (92473065).

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

87884055 is a wasteful number, since it uses less digits than its factorization.

87884055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957 (or 951 counting only the distinct ones).

The product of its (nonzero) digits is 358400, while the sum is 45.

The square root of 87884055 is about 9374.6495934515. The cubic root of 87884055 is about 444.6005842482.

The spelling of 87884055 in words is "eighty-seven million, eight hundred eighty-four thousand, fifty-five".