87163373 has 8 divisors (see below), whose sum is σ = 95783040. Its totient is φ = 78659680.

The previous prime is 87163367. The next prime is 87163381. The reversal of 87163373 is 37336178.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 87163373 - 2⁸ = 87163117 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 (87163343) 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, 27413 + ... + 30426.

It is an arithmetic number, because the mean of its divisors is an integer number (11972880).

Almost surely, 2^87163373 is an apocalyptic number.

It is an amenable number.

87163373 is a deficient number, since it is larger than the sum of its proper divisors (8619667).

87163373 is a wasteful number, since it uses less digits than its factorization.

87163373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57987.

The product of its digits is 63504, while the sum is 38.

The square root of 87163373 is about 9336.1326575837. The cubic root of 87163373 is about 443.3819502465.

The spelling of 87163373 in words is "eighty-seven million, one hundred sixty-three thousand, three hundred seventy-three".