87160573 has 8 divisors (see below), whose sum is σ = 90509400. Its totient is φ = 83834688.

The previous prime is 87160571. The next prime is 87160583. The reversal of 87160573 is 37506178.

It can be written as a sum of positive squares in 4 ways, for example, as 1375929 + 85784644 = 1173^2 + 9262^2 .

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 87160573 - 2¹ = 87160571 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87160571) 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, 2215 + ... + 13387.

It is an arithmetic number, because the mean of its divisors is an integer number (11313675).

Almost surely, 2^87160573 is an apocalyptic number.

It is an amenable number.

87160573 is a deficient number, since it is larger than the sum of its proper divisors (3348827).

87160573 is a wasteful number, since it uses less digits than its factorization.

87160573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11471.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 87160573 is about 9335.9827013550. The cubic root of 87160573 is about 443.3772025231.

The spelling of 87160573 in words is "eighty-seven million, one hundred sixty thousand, five hundred seventy-three".