87097637 has 4 divisors (see below), whose sum is σ = 95015616. Its totient is φ = 79179660.

The previous prime is 87097609. The next prime is 87097639. The reversal of 87097637 is 73679078.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 87097637 - 2¹⁰ = 87096613 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 87097591 and 87097600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87097639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3958973 + ... + 3958994.

It is an arithmetic number, because the mean of its divisors is an integer number (23753904).

Almost surely, 2^87097637 is an apocalyptic number.

It is an amenable number.

87097637 is a deficient number, since it is larger than the sum of its proper divisors (7917979).

87097637 is a wasteful number, since it uses less digits than its factorization.

87097637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7917978.

The product of its (nonzero) digits is 444528, while the sum is 47.

The square root of 87097637 is about 9332.6114780376. The cubic root of 87097637 is about 443.2704604277.

The spelling of 87097637 in words is "eighty-seven million, ninety-seven thousand, six hundred thirty-seven".