87039043599 has 16 divisors (see below), whose sum is σ = 121116290400. Its totient is φ = 55529327616.

The previous prime is 87039043561. The next prime is 87039043613. The reversal of 87039043599 is 99534093078.

It is not a de Polignac number, because 87039043599 - 2²⁷ = 86904825871 is a prime.

It is a super-2 number, since 2×87039043599² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87039043999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4416934 + ... + 4436595.

It is an arithmetic number, because the mean of its divisors is an integer number (7569768150).

Almost surely, 2^87039043599 is an apocalyptic number.

87039043599 is a deficient number, since it is larger than the sum of its proper divisors (34077246801).

87039043599 is a wasteful number, since it uses less digits than its factorization.

87039043599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8853674.

The product of its (nonzero) digits is 7348320, while the sum is 57.

The spelling of 87039043599 in words is "eighty-seven billion, thirty-nine million, forty-three thousand, five hundred ninety-nine".