87801463 has 4 divisors (see below), whose sum is σ = 87858040. Its totient is φ = 87744888.

The previous prime is 87801457. The next prime is 87801491. The reversal of 87801463 is 36410878.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 87801463 - 2⁵ = 87801431 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 (87801403) 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 3 ways as a sum of consecutive naturals, for example, 25893 + ... + 29086.

It is an arithmetic number, because the mean of its divisors is an integer number (21964510).

Almost surely, 2^87801463 is an apocalyptic number.

87801463 is a deficient number, since it is larger than the sum of its proper divisors (56577).

87801463 is a wasteful number, since it uses less digits than its factorization.

87801463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56576.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 87801463 is about 9370.2434866977. The cubic root of 87801463 is about 444.4612644722.

The spelling of 87801463 in words is "eighty-seven million, eight hundred one thousand, four hundred sixty-three".