87516004137 has 8 divisors (see below), whose sum is σ = 116700330336. Its totient is φ = 58337840352.

The previous prime is 87516004099. The next prime is 87516004141. The reversal of 87516004137 is 73140061578.

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

It is not a de Polignac number, because 87516004137 - 2⁶ = 87516004073 is a prime.

It is a super-2 number, since 2×87516004137² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (87516008137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1507363 + ... + 1564344.

It is an arithmetic number, because the mean of its divisors is an integer number (14587541292).

Almost surely, 2^87516004137 is an apocalyptic number.

It is an amenable number.

87516004137 is a deficient number, since it is larger than the sum of its proper divisors (29184326199).

87516004137 is a wasteful number, since it uses less digits than its factorization.

87516004137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3081207.

The product of its (nonzero) digits is 141120, while the sum is 42.

The spelling of 87516004137 in words is "eighty-seven billion, five hundred sixteen million, four thousand, one hundred thirty-seven".