87892005 has 32 divisors (see below), whose sum is σ = 150566400. Its totient is φ = 43647552.

The previous prime is 87891949. The next prime is 87892009. The reversal of 87892005 is 50029878.

It is not a de Polignac number, because 87892005 - 2⁶ = 87891941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87892009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14202 + ... + 19428.

It is an arithmetic number, because the mean of its divisors is an integer number (4705200).

Almost surely, 2^87892005 is an apocalyptic number.

It is an amenable number.

87892005 is a deficient number, since it is larger than the sum of its proper divisors (62674395).

87892005 is a wasteful number, since it uses less digits than its factorization.

87892005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5313.

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 87892005 is about 9375.0735997111. The cubic root of 87892005 is about 444.6139900477.

The spelling of 87892005 in words is "eighty-seven million, eight hundred ninety-two thousand, five".