87434542 has 32 divisors (see below), whose sum is σ = 149385600. Its totient is φ = 38047968.

The previous prime is 87434527. The next prime is 87434549. The reversal of 87434542 is 24543478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87434549) 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 15 ways as a sum of consecutive naturals, for example, 186993 + ... + 187459.

It is an arithmetic number, because the mean of its divisors is an integer number (4668300).

Almost surely, 2^87434542 is an apocalyptic number.

87434542 is a deficient number, since it is larger than the sum of its proper divisors (61951058).

87434542 is a wasteful number, since it uses less digits than its factorization.

87434542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880.

The product of its digits is 107520, while the sum is 37.

The square root of 87434542 is about 9350.6439350453. The cubic root of 87434542 is about 443.8412676917.

The spelling of 87434542 in words is "eighty-seven million, four hundred thirty-four thousand, five hundred forty-two".