87660741 has 16 divisors (see below), whose sum is σ = 133726208. Its totient is φ = 50036400.

The previous prime is 87660731. The next prime is 87660763. The reversal of 87660741 is 14706678.

It is not a de Polignac number, because 87660741 - 2¹⁰ = 87659717 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87660741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87660731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24156 + ... + 27546.

It is an arithmetic number, because the mean of its divisors is an integer number (8357888).

Almost surely, 2^87660741 is an apocalyptic number.

It is an amenable number.

87660741 is a deficient number, since it is larger than the sum of its proper divisors (46065467).

87660741 is a wasteful number, since it uses less digits than its factorization.

87660741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4632.

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 87660741 is about 9362.7314924652. The cubic root of 87660741 is about 444.2236871009.

The spelling of 87660741 in words is "eighty-seven million, six hundred sixty thousand, seven hundred forty-one".