87094873 has 4 divisors (see below), whose sum is σ = 87730740. Its totient is φ = 86459008.

The previous prime is 87094871. The next prime is 87094877. The reversal of 87094873 is 37849078.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 52012944 + 35081929 = 7212^2 + 5923^2 .

It is a cyclic number.

It is not a de Polignac number, because 87094873 - 2¹ = 87094871 is a prime.

It is a super-2 number, since 2×87094873² = 15171033805772258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87094871) 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, 317728 + ... + 318001.

It is an arithmetic number, because the mean of its divisors is an integer number (21932685).

Almost surely, 2^87094873 is an apocalyptic number.

It is an amenable number.

87094873 is a deficient number, since it is larger than the sum of its proper divisors (635867).

87094873 is a wasteful number, since it uses less digits than its factorization.

87094873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635866.

The product of its (nonzero) digits is 338688, while the sum is 46.

The square root of 87094873 is about 9332.4633939812. The cubic root of 87094873 is about 443.2657713892.

The spelling of 87094873 in words is "eighty-seven million, ninety-four thousand, eight hundred seventy-three".