87884405 has 16 divisors (see below), whose sum is σ = 126871680. Its totient is φ = 57091392.

The previous prime is 87884399. The next prime is 87884429. The reversal of 87884405 is 50448878.

It is a cyclic number.

It is not a de Polignac number, because 87884405 - 2⁶ = 87884341 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65414 + ... + 66743.

It is an arithmetic number, because the mean of its divisors is an integer number (7929480).

Almost surely, 2^87884405 is an apocalyptic number.

It is an amenable number.

87884405 is a deficient number, since it is larger than the sum of its proper divisors (38987275).

87884405 is a wasteful number, since it uses less digits than its factorization.

87884405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132188.

The product of its (nonzero) digits is 286720, while the sum is 44.

The square root of 87884405 is about 9374.6682607973. The cubic root of 87884405 is about 444.6011744576.

The spelling of 87884405 in words is "eighty-seven million, eight hundred eighty-four thousand, four hundred five".