87527318697 has 192 divisors, whose sum is σ = 163038453760. Its totient is φ = 44033932800.

The previous prime is 87527318689. The next prime is 87527318699. The reversal of 87527318697 is 79681372578.

87527318697 is a `hidden beast` number, since 8 + 7 + 527 + 3 + 18 + 6 + 97 = 666.

It is not a de Polignac number, because 87527318697 - 2³ = 87527318689 is a prime.

It is a super-3 number, since 3×87527318697³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (87527318699) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 264432822 + ... + 264433152.

Almost surely, 2^87527318697 is an apocalyptic number.

It is an amenable number.

87527318697 is a deficient number, since it is larger than the sum of its proper divisors (75511135063).

87527318697 is a wasteful number, since it uses less digits than its factorization.

87527318697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564 (or 561 counting only the distinct ones).

The product of its digits is 35562240, while the sum is 63.

The spelling of 87527318697 in words is "eighty-seven billion, five hundred twenty-seven million, three hundred eighteen thousand, six hundred ninety-seven".