87885803 has 2 divisors, whose sum is σ = 87885804. Its totient is φ = 87885802.

The previous prime is 87885781. The next prime is 87885821. The reversal of 87885803 is 30858878.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87885803 - 2¹⁶ = 87820267 is a prime.

It is not a weakly prime, because it can be changed into another prime (87885703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43942901 + 43942902.

It is an arithmetic number, because the mean of its divisors is an integer number (43942902).

Almost surely, 2^87885803 is an apocalyptic number.

87885803 is a deficient number, since it is larger than the sum of its proper divisors (1).

87885803 is an equidigital number, since it uses as much as digits as its factorization.

87885803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 430080, while the sum is 47.

The square root of 87885803 is about 9374.7428231392. The cubic root of 87885803 is about 444.6035319072.

It can be divided in two parts, 87885 and 803, that added together give a palindrome (88688).

The spelling of 87885803 in words is "eighty-seven million, eight hundred eighty-five thousand, eight hundred three".