87832373 has 4 divisors (see below), whose sum is σ = 89974668. Its totient is φ = 85690080.

The previous prime is 87832357. The next prime is 87832391. The reversal of 87832373 is 37323878.

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 36881329 + 50951044 = 6073^2 + 7138^2 .

It is a cyclic number.

It is not a de Polignac number, because 87832373 - 2⁴ = 87832357 is a prime.

It is a super-2 number, since 2×87832373² = 15429051493622258, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 2142253 = 87832373 / (8 + 7 + 8 + 3 + 2 + 3 + 7 + 3).

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 87832373.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87832333) 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, 1071086 + ... + 1071167.

It is an arithmetic number, because the mean of its divisors is an integer number (22493667).

Almost surely, 2^87832373 is an apocalyptic number.

It is an amenable number.

87832373 is a deficient number, since it is larger than the sum of its proper divisors (2142295).

87832373 is a wasteful number, since it uses less digits than its factorization.

87832373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2142294.

The product of its digits is 169344, while the sum is 41.

The square root of 87832373 is about 9371.8927117205. The cubic root of 87832373 is about 444.5134150301.

The spelling of 87832373 in words is "eighty-seven million, eight hundred thirty-two thousand, three hundred seventy-three".