87571895 has 16 divisors (see below), whose sum is σ = 107909760. Its totient is φ = 68200704.

The previous prime is 87571843. The next prime is 87571901. The reversal of 87571895 is 59817578.

It is a cyclic number.

It is not a de Polignac number, because 87571895 - 2¹⁴ = 87555511 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27317 + ... + 30353.

It is an arithmetic number, because the mean of its divisors is an integer number (6744360).

Almost surely, 2^87571895 is an apocalyptic number.

87571895 is a deficient number, since it is larger than the sum of its proper divisors (20337865).

87571895 is a wasteful number, since it uses less digits than its factorization.

87571895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3194.

The product of its digits is 705600, while the sum is 50.

The square root of 87571895 is about 9357.9856272597. The cubic root of 87571895 is about 444.0735596950.

The spelling of 87571895 in words is "eighty-seven million, five hundred seventy-one thousand, eight hundred ninety-five".