87001705437 has 8 divisors (see below), whose sum is σ = 119744282880. Its totient is φ = 56130132480.

The previous prime is 87001705423. The next prime is 87001705447. The reversal of 87001705437 is 73450710078.

It is a happy number.

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

It is not a de Polignac number, because 87001705437 - 2¹⁸ = 87001443293 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87001705447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 467751012 + ... + 467751197.

It is an arithmetic number, because the mean of its divisors is an integer number (14968035360).

Almost surely, 2^87001705437 is an apocalyptic number.

It is an amenable number.

87001705437 is a deficient number, since it is larger than the sum of its proper divisors (32742577443).

87001705437 is a wasteful number, since it uses less digits than its factorization.

87001705437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935502243.

The product of its (nonzero) digits is 164640, while the sum is 42.

The spelling of 87001705437 in words is "eighty-seven billion, one million, seven hundred five thousand, four hundred thirty-seven".