87272737 has 2 divisors, whose sum is σ = 87272738. Its totient is φ = 87272736.

The previous prime is 87272729. The next prime is 87272753. The reversal of 87272737 is 73727278.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56791296 + 30481441 = 7536^2 + 5521^2 .

It is a cyclic number.

It is not a de Polignac number, because 87272737 - 2³ = 87272729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 87272693 and 87272702.

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 (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43636368 + 43636369.

It is an arithmetic number, because the mean of its divisors is an integer number (43636369).

Almost surely, 2^87272737 is an apocalyptic number.

It is an amenable number.

87272737 is a deficient number, since it is larger than the sum of its proper divisors (1).

87272737 is an equidigital number, since it uses as much as digits as its factorization.

87272737 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 230496, while the sum is 43.

The square root of 87272737 is about 9341.9878505594. The cubic root of 87272737 is about 443.5673100519.

The spelling of 87272737 in words is "eighty-seven million, two hundred seventy-two thousand, seven hundred thirty-seven".