87043654 has 8 divisors (see below), whose sum is σ = 130808448. Its totient is φ = 43440840.

The previous prime is 87043651. The next prime is 87043669. The reversal of 87043654 is 45634078.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87043651) 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 in 3 ways as a sum of consecutive naturals, for example, 39142 + ... + 41305.

It is an arithmetic number, because the mean of its divisors is an integer number (16351056).

Almost surely, 2^87043654 is an apocalyptic number.

87043654 is a deficient number, since it is larger than the sum of its proper divisors (43764794).

87043654 is a wasteful number, since it uses less digits than its factorization.

87043654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80990.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 87043654 is about 9329.7188596442. The cubic root of 87043654 is about 443.1788620195.

The spelling of 87043654 in words is "eighty-seven million, forty-three thousand, six hundred fifty-four".