87973575 has 12 divisors (see below), whose sum is σ = 145449768. Its totient is φ = 46919200.

The previous prime is 87973549. The next prime is 87973579. The reversal of 87973575 is 57537978.

It is not a de Polignac number, because 87973575 - 2⁹ = 87973063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87973579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 586416 + ... + 586565.

It is an arithmetic number, because the mean of its divisors is an integer number (12120814).

Almost surely, 2^87973575 is an apocalyptic number.

87973575 is a deficient number, since it is larger than the sum of its proper divisors (57476193).

87973575 is a wasteful number, since it uses less digits than its factorization.

87973575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1172994 (or 1172989 counting only the distinct ones).

The product of its digits is 1852200, while the sum is 51.

The square root of 87973575 is about 9379.4229566642. The cubic root of 87973575 is about 444.7514919341.

The spelling of 87973575 in words is "eighty-seven million, nine hundred seventy-three thousand, five hundred seventy-five".