87427542 has 8 divisors (see below), whose sum is σ = 174855096. Its totient is φ = 29142512.

The previous prime is 87427541. The next prime is 87427591. The reversal of 87427542 is 24572478.

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

87427542 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 87427542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87427541) 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 3 ways as a sum of consecutive naturals, for example, 7285623 + ... + 7285634.

It is an arithmetic number, because the mean of its divisors is an integer number (21856887).

Almost surely, 2^87427542 is an apocalyptic number.

87427542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87427542 is a wasteful number, since it uses less digits than its factorization.

87427542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14571262.

The product of its digits is 125440, while the sum is 39.

The square root of 87427542 is about 9350.2696217810. The cubic root of 87427542 is about 443.8294227476.

The spelling of 87427542 in words is "eighty-seven million, four hundred twenty-seven thousand, five hundred forty-two".