87270049 has 2 divisors, whose sum is σ = 87270050. Its totient is φ = 87270048.

The previous prime is 87270011. The next prime is 87270083. The reversal of 87270049 is 94007278.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71707024 + 15563025 = 8468^2 + 3945^2 .

It is a cyclic number.

It is not a de Polignac number, because 87270049 - 2⁹ = 87269537 is a prime.

It is a super-2 number, since 2×87270049² = 15232122904924802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (87270949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43635024 + 43635025.

It is an arithmetic number, because the mean of its divisors is an integer number (43635025).

Almost surely, 2^87270049 is an apocalyptic number.

It is an amenable number.

87270049 is a deficient number, since it is larger than the sum of its proper divisors (1).

87270049 is an equidigital number, since it uses as much as digits as its factorization.

87270049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 87270049 is about 9341.8439828548. The cubic root of 87270049 is about 443.5627560479.

The spelling of 87270049 in words is "eighty-seven million, two hundred seventy thousand, forty-nine".