87714561 has 16 divisors (see below), whose sum is σ = 128852928. Its totient is φ = 52632000.

The previous prime is 87714559. The next prime is 87714563. The reversal of 87714561 is 16541778.

It is an interprime number because it is at equal distance from previous prime (87714559) and next prime (87714563).

It is not a de Polignac number, because 87714561 - 2¹ = 87714559 is a prime.

It is a super-2 number, since 2×87714561² = 15387688422845442, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (87714563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9826 + ... + 16491.

It is an arithmetic number, because the mean of its divisors is an integer number (8053308).

Almost surely, 2^87714561 is an apocalyptic number.

It is an amenable number.

87714561 is a deficient number, since it is larger than the sum of its proper divisors (41138367).

87714561 is a wasteful number, since it uses less digits than its factorization.

87714561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26432.

The product of its digits is 47040, while the sum is 39.

The square root of 87714561 is about 9365.6052126918. The cubic root of 87714561 is about 444.3145800418.

The spelling of 87714561 in words is "eighty-seven million, seven hundred fourteen thousand, five hundred sixty-one".