87056445 has 32 divisors (see below), whose sum is σ = 160784640. Its totient is φ = 39398400.

The previous prime is 87056429. The next prime is 87056477. The reversal of 87056445 is 54465078.

It is not a de Polignac number, because 87056445 - 2⁴ = 87056429 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 (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6501 + ... + 14709.

It is an arithmetic number, because the mean of its divisors is an integer number (5024520).

Almost surely, 2^87056445 is an apocalyptic number.

It is an amenable number.

87056445 is a deficient number, since it is larger than the sum of its proper divisors (73728195).

87056445 is a wasteful number, since it uses less digits than its factorization.

87056445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8325.

The product of its (nonzero) digits is 134400, while the sum is 39.

The square root of 87056445 is about 9330.4043320748. The cubic root of 87056445 is about 443.2005692240.

The spelling of 87056445 in words is "eighty-seven million, fifty-six thousand, four hundred forty-five".