87134597 has 8 divisors (see below), whose sum is σ = 96850080. Its totient is φ = 77718160.

The previous prime is 87134561. The next prime is 87134599. The reversal of 87134597 is 79543178.

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 87134597 - 2¹² = 87130501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87134599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74147 + ... + 75312.

It is an arithmetic number, because the mean of its divisors is an integer number (12106260).

Almost surely, 2^87134597 is an apocalyptic number.

It is an amenable number.

87134597 is a deficient number, since it is larger than the sum of its proper divisors (9715483).

87134597 is a wasteful number, since it uses less digits than its factorization.

87134597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149523.

The product of its digits is 211680, while the sum is 44.

The square root of 87134597 is about 9334.5914211603. The cubic root of 87134597 is about 443.3331523671. Note that the first 3 decimals are identical.

The spelling of 87134597 in words is "eighty-seven million, one hundred thirty-four thousand, five hundred ninety-seven".