87094643 has 4 divisors (see below), whose sum is σ = 87187560. Its totient is φ = 87001728.

The previous prime is 87094607. The next prime is 87094661. The reversal of 87094643 is 34649078.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34649078 = 2 ⋅17324539.

It is a cyclic number.

It is not a de Polignac number, because 87094643 - 2⁸ = 87094387 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 87094643.

It is not an unprimeable number, because it can be changed into a prime (87094673) 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, 45038 + ... + 46931.

It is an arithmetic number, because the mean of its divisors is an integer number (21796890).

Almost surely, 2^87094643 is an apocalyptic number.

87094643 is a deficient number, since it is larger than the sum of its proper divisors (92917).

87094643 is an equidigital number, since it uses as much as digits as its factorization.

87094643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92916.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 87094643 is about 9332.4510713960. The cubic root of 87094643 is about 443.2653811970.

The spelling of 87094643 in words is "eighty-seven million, ninety-four thousand, six hundred forty-three".