87044743 has 8 divisors (see below), whose sum is σ = 93677040. Its totient is φ = 80580480.

The previous prime is 87044707. The next prime is 87044753. The reversal of 87044743 is 34744078.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87044743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87044753) 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 7 ways as a sum of consecutive naturals, for example, 40933 + ... + 43006.

It is an arithmetic number, because the mean of its divisors is an integer number (11709630).

Almost surely, 2^87044743 is an apocalyptic number.

87044743 is a deficient number, since it is larger than the sum of its proper divisors (6632297).

87044743 is a wasteful number, since it uses less digits than its factorization.

87044743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84017.

The product of its (nonzero) digits is 75264, while the sum is 37.

The square root of 87044743 is about 9329.7772213489. Note that the first 3 decimals coincide. The cubic root of 87044743 is about 443.1807102100.

The spelling of 87044743 in words is "eighty-seven million, forty-four thousand, seven hundred forty-three".