87660501 has 8 divisors (see below), whose sum is σ = 119731584. Its totient is φ = 57014880.

The previous prime is 87660497. The next prime is 87660527. The reversal of 87660501 is 10506678.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 87660501 - 2² = 87660497 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87660571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 356221 + ... + 356466.

It is an arithmetic number, because the mean of its divisors is an integer number (14966448).

Almost surely, 2^87660501 is an apocalyptic number.

It is an amenable number.

87660501 is a deficient number, since it is larger than the sum of its proper divisors (32071083).

87660501 is a wasteful number, since it uses less digits than its factorization.

87660501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712731.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 87660501 is about 9362.7186756839. The cubic root of 87660501 is about 444.2232816979.

The spelling of 87660501 in words is "eighty-seven million, six hundred sixty thousand, five hundred one".