87804382 has 4 divisors (see below), whose sum is σ = 131706576. Its totient is φ = 43902190.

The previous prime is 87804361. The next prime is 87804397. The reversal of 87804382 is 28340878.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21951094 + ... + 21951097.

It is an arithmetic number, because the mean of its divisors is an integer number (32926644).

Almost surely, 2^87804382 is an apocalyptic number.

87804382 is a deficient number, since it is larger than the sum of its proper divisors (43902194).

87804382 is a wasteful number, since it uses less digits than its factorization.

87804382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43902193.

The product of its (nonzero) digits is 86016, while the sum is 40.

The square root of 87804382 is about 9370.3992444292. The cubic root of 87804382 is about 444.4661898573.

The spelling of 87804382 in words is "eighty-seven million, eight hundred four thousand, three hundred eighty-two".