94887081 has 27 divisors (see below), whose sum is σ = 146361943. Its totient is φ = 59225280.

The previous prime is 94887061. The next prime is 94887109. The reversal of 94887081 is 18078849.

The square root of 94887081 is 9741.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 73874025 + 21013056 = 8595^2 + 4584^2 .

It is not a de Polignac number, because 94887081 - 2¹¹ = 94885033 is a prime.

It is a super-2 number, since 2×94887081² = 18007116281401122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (94887061) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 496696 + ... + 496886.

Almost surely, 2^94887081 is an apocalyptic number.

94887081 is the 9741-st square number.

94887081 is the 4871-st centered octagonal number.

It is an amenable number.

94887081 is a deficient number, since it is larger than the sum of its proper divisors (51474862).

94887081 is a wasteful number, since it uses less digits than its factorization.

94887081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422 (or 211 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 45.

The cubic root of 94887081 is about 456.1094064585.

The spelling of 94887081 in words is "ninety-four million, eight hundred eighty-seven thousand, eighty-one".