87272701 has 2 divisors, whose sum is σ = 87272702. Its totient is φ = 87272700.

The previous prime is 87272663. The next prime is 87272707. The reversal of 87272701 is 10727278.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86007076 + 1265625 = 9274^2 + 1125^2 .

It is a cyclic number.

It is not a de Polignac number, because 87272701 - 2⁷ = 87272573 is a prime.

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

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87272707) 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, 43636350 + 43636351.

It is an arithmetic number, because the mean of its divisors is an integer number (43636351).

Almost surely, 2^87272701 is an apocalyptic number.

It is an amenable number.

87272701 is a deficient number, since it is larger than the sum of its proper divisors (1).

87272701 is an equidigital number, since it uses as much as digits as its factorization.

87272701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10976, while the sum is 34.

The square root of 87272701 is about 9341.9859237745. The cubic root of 87272701 is about 443.5672490614.

Adding to 87272701 its reverse (10727278), we get a palindrome (97999979).

The spelling of 87272701 in words is "eighty-seven million, two hundred seventy-two thousand, seven hundred one".