87872341 has 2 divisors, whose sum is σ = 87872342. Its totient is φ = 87872340.

The previous prime is 87872329. The next prime is 87872387. The reversal of 87872341 is 14327878.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83649316 + 4223025 = 9146^2 + 2055^2 .

It is a cyclic number.

It is not a de Polignac number, because 87872341 - 2⁹ = 87871829 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 87872294 and 87872303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87872641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43936170 + 43936171.

It is an arithmetic number, because the mean of its divisors is an integer number (43936171).

Almost surely, 2^87872341 is an apocalyptic number.

It is an amenable number.

87872341 is a deficient number, since it is larger than the sum of its proper divisors (1).

87872341 is an equidigital number, since it uses as much as digits as its factorization.

87872341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75264, while the sum is 40.

The square root of 87872341 is about 9374.0248026128. The cubic root of 87872341 is about 444.5808298773.

The spelling of 87872341 in words is "eighty-seven million, eight hundred seventy-two thousand, three hundred forty-one".