87948841 has 2 divisors, whose sum is σ = 87948842. Its totient is φ = 87948840.

The previous prime is 87948827. The next prime is 87948857. The reversal of 87948841 is 14884978.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84107241 + 3841600 = 9171^2 + 1960^2 .

It is a cyclic number.

It is not a de Polignac number, because 87948841 - 2²⁵ = 54394409 is a prime.

It is not a weakly prime, because it can be changed into another prime (87948541) by changing a digit.

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, 43974420 + 43974421.

It is an arithmetic number, because the mean of its divisors is an integer number (43974421).

Almost surely, 2^87948841 is an apocalyptic number.

It is an amenable number.

87948841 is a deficient number, since it is larger than the sum of its proper divisors (1).

87948841 is an equidigital number, since it uses as much as digits as its factorization.

87948841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 516096, while the sum is 49.

The square root of 87948841 is about 9378.1043393641. The cubic root of 87948841 is about 444.7098070134.

The spelling of 87948841 in words is "eighty-seven million, nine hundred forty-eight thousand, eight hundred forty-one".