87654542 has 4 divisors (see below), whose sum is σ = 131481816. Its totient is φ = 43827270.

The previous prime is 87654521. The next prime is 87654547. The reversal of 87654542 is 24545678.

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

It is a super-3 number, since 3×87654542³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 87654542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87654547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21913634 + ... + 21913637.

It is an arithmetic number, because the mean of its divisors is an integer number (32870454).

Almost surely, 2^87654542 is an apocalyptic number.

87654542 is a deficient number, since it is larger than the sum of its proper divisors (43827274).

87654542 is a wasteful number, since it uses less digits than its factorization.

87654542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43827273.

The product of its digits is 268800, while the sum is 41.

The square root of 87654542 is about 9362.4004400581. The cubic root of 87654542 is about 444.2132156420.

The spelling of 87654542 in words is "eighty-seven million, six hundred fifty-four thousand, five hundred forty-two".