87801827 has 8 divisors (see below), whose sum is σ = 91146240. Its totient is φ = 84489480.

The previous prime is 87801811. The next prime is 87801839. The reversal of 87801827 is 72810878.

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

It is a cyclic number.

It is not a de Polignac number, because 87801827 - 2⁴ = 87801811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87800827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2363 + ... + 13460.

It is an arithmetic number, because the mean of its divisors is an integer number (11393280).

Almost surely, 2^87801827 is an apocalyptic number.

87801827 is a deficient number, since it is larger than the sum of its proper divisors (3344413).

87801827 is a wasteful number, since it uses less digits than its factorization.

87801827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16033.

The product of its (nonzero) digits is 50176, while the sum is 41.

The square root of 87801827 is about 9370.2629098654. The cubic root of 87801827 is about 444.4618786749.

The spelling of 87801827 in words is "eighty-seven million, eight hundred one thousand, eight hundred twenty-seven".