87506743 has 8 divisors (see below), whose sum is σ = 91699200. Its totient is φ = 83346648.

The previous prime is 87506737. The next prime is 87506747. The reversal of 87506743 is 34760578.

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 87506743 - 2⁹ = 87506231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 87506696 and 87506705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87506747) 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, 2463 + ... + 13456.

It is an arithmetic number, because the mean of its divisors is an integer number (11462400).

Almost surely, 2^87506743 is an apocalyptic number.

87506743 is a deficient number, since it is larger than the sum of its proper divisors (4192457).

87506743 is a wasteful number, since it uses less digits than its factorization.

87506743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16181.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 87506743 is about 9354.5038885021. The cubic root of 87506743 is about 443.9634046482.

The spelling of 87506743 in words is "eighty-seven million, five hundred six thousand, seven hundred forty-three".