87547465 has 8 divisors (see below), whose sum is σ = 105429888. Its totient is φ = 69789360.

The previous prime is 87547457. The next prime is 87547469. The reversal of 87547465 is 56474578.

It is a happy number.

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

It is not a de Polignac number, because 87547465 - 2³ = 87547457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87547469) 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, 29521 + ... + 32350.

It is an arithmetic number, because the mean of its divisors is an integer number (13178736).

Almost surely, 2^87547465 is an apocalyptic number.

It is an amenable number.

87547465 is a deficient number, since it is larger than the sum of its proper divisors (17882423).

87547465 is a wasteful number, since it uses less digits than its factorization.

87547465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62159.

The product of its digits is 940800, while the sum is 46.

The square root of 87547465 is about 9356.6802339291. The cubic root of 87547465 is about 444.0322613384.

The spelling of 87547465 in words is "eighty-seven million, five hundred forty-seven thousand, four hundred sixty-five".