87040485 has 24 divisors (see below), whose sum is σ = 172423680. Its totient is φ = 39789792.

The previous prime is 87040427. The next prime is 87040507. The reversal of 87040485 is 58404078.

It is not a de Polignac number, because 87040485 - 2⁹ = 87039973 is a prime.

It is a Curzon number.

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 23 ways as a sum of consecutive naturals, for example, 137845 + ... + 138474.

It is an arithmetic number, because the mean of its divisors is an integer number (7184320).

Almost surely, 2^87040485 is an apocalyptic number.

It is an amenable number.

87040485 is a deficient number, since it is larger than the sum of its proper divisors (85383195).

87040485 is a wasteful number, since it uses less digits than its factorization.

87040485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276337 (or 276334 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 87040485 is about 9329.5490244706. The cubic root of 87040485 is about 443.1734836805.

It can be divided in two parts, 870404 and 85, that added together give a square (870489 = 933²).

The spelling of 87040485 in words is "eighty-seven million, forty thousand, four hundred eighty-five".