87713975 has 18 divisors (see below), whose sum is σ = 114802920. Its totient is φ = 66471120.

The previous prime is 87713963. The next prime is 87714031. The reversal of 87713975 is 57931778.

It is not a de Polignac number, because 87713975 - 2⁴ = 87713959 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4166 + ... + 13884.

It is an arithmetic number, because the mean of its divisors is an integer number (6377940).

Almost surely, 2^87713975 is an apocalyptic number.

87713975 is a deficient number, since it is larger than the sum of its proper divisors (27088945).

87713975 is a wasteful number, since it uses less digits than its factorization.

87713975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9767 (or 9743 counting only the distinct ones).

The product of its digits is 370440, while the sum is 47.

The square root of 87713975 is about 9365.5739279555. The cubic root of 87713975 is about 444.3135905864.

It can be divided in two parts, 87713 and 975, that added together give a palindrome (88688).

The spelling of 87713975 in words is "eighty-seven million, seven hundred thirteen thousand, nine hundred seventy-five".