87534630913 has 8 divisors (see below), whose sum is σ = 89592288896. Its totient is φ = 85477971600.

The previous prime is 87534630907. The next prime is 87534630919. The reversal of 87534630913 is 31903643578.

It is an interprime number because it is at equal distance from previous prime (87534630907) and next prime (87534630919).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87534630913 is a prime.

It is a super-3 number, since 3×87534630913³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87534630919) 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, 70818 + ... + 424363.

It is an arithmetic number, because the mean of its divisors is an integer number (11199036112).

Almost surely, 2^87534630913 is an apocalyptic number.

It is an amenable number.

87534630913 is a deficient number, since it is larger than the sum of its proper divisors (2057657983).

87534630913 is a wasteful number, since it uses less digits than its factorization.

87534630913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499335.

The product of its (nonzero) digits is 1632960, while the sum is 49.

The spelling of 87534630913 in words is "eighty-seven billion, five hundred thirty-four million, six hundred thirty thousand, nine hundred thirteen".