87523743 has 8 divisors (see below), whose sum is σ = 116766000. Its totient is φ = 58315328.

The previous prime is 87523721. The next prime is 87523783. The reversal of 87523743 is 34732578.

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

It is a cyclic number.

It is not a de Polignac number, because 87523743 - 2¹⁰ = 87522719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87523703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1638 + ... + 13331.

It is an arithmetic number, because the mean of its divisors is an integer number (14595750).

Almost surely, 2^87523743 is an apocalyptic number.

87523743 is a deficient number, since it is larger than the sum of its proper divisors (29242257).

87523743 is a wasteful number, since it uses less digits than its factorization.

87523743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16921.

The product of its digits is 141120, while the sum is 39.

The square root of 87523743 is about 9355.4124975866. The cubic root of 87523743 is about 443.9921524869.

The spelling of 87523743 in words is "eighty-seven million, five hundred twenty-three thousand, seven hundred forty-three".