87538547 has 4 divisors (see below), whose sum is σ = 87997056. Its totient is φ = 87080040.

The previous prime is 87538537. The next prime is 87538553. The reversal of 87538547 is 74583578.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 87538547 - 2¹⁴ = 87522163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87538537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228968 + ... + 229349.

It is an arithmetic number, because the mean of its divisors is an integer number (21999264).

Almost surely, 2^87538547 is an apocalyptic number.

87538547 is a deficient number, since it is larger than the sum of its proper divisors (458509).

87538547 is a wasteful number, since it uses less digits than its factorization.

87538547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458508.

The product of its digits is 940800, while the sum is 47.

The square root of 87538547 is about 9356.2036638799. The cubic root of 87538547 is about 444.0171837491.

The spelling of 87538547 in words is "eighty-seven million, five hundred thirty-eight thousand, five hundred forty-seven".