87291052537 has 8 divisors (see below), whose sum is σ = 98953420160. Its totient is φ = 76335495120.

The previous prime is 87291052517. The next prime is 87291052571. The reversal of 87291052537 is 73525019278.

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

It is a cyclic number.

It is not a de Polignac number, because 87291052537 - 2¹⁹ = 87290528249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87291052517) 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, 176702289 + ... + 176702782.

It is an arithmetic number, because the mean of its divisors is an integer number (12369177520).

Almost surely, 2^87291052537 is an apocalyptic number.

It is an amenable number.

87291052537 is a deficient number, since it is larger than the sum of its proper divisors (11662367623).

87291052537 is a wasteful number, since it uses less digits than its factorization.

87291052537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353405103.

The product of its (nonzero) digits is 1058400, while the sum is 49.

The spelling of 87291052537 in words is "eighty-seven billion, two hundred ninety-one million, fifty-two thousand, five hundred thirty-seven".