870052277 has 2 divisors, whose sum is σ = 870052278. Its totient is φ = 870052276.

The previous prime is 870052259. The next prime is 870052283. The reversal of 870052277 is 772250078.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 605209201 + 264843076 = 24601^2 + 16274^2 .

It is a cyclic number.

It is not a de Polignac number, because 870052277 - 2¹² = 870048181 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 870052277.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (870052207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 435026138 + 435026139.

It is an arithmetic number, because the mean of its divisors is an integer number (435026139).

Almost surely, 2^870052277 is an apocalyptic number.

It is an amenable number.

870052277 is a deficient number, since it is larger than the sum of its proper divisors (1).

870052277 is an equidigital number, since it uses as much as digits as its factorization.

870052277 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54880, while the sum is 38.

The square root of 870052277 is about 29496.6485723378. The cubic root of 870052277 is about 954.6593915222.

The spelling of 870052277 in words is "eight hundred seventy million, fifty-two thousand, two hundred seventy-seven".