877225513 has 2 divisors, whose sum is σ = 877225514. Its totient is φ = 877225512.

The previous prime is 877225487. The next prime is 877225579. The reversal of 877225513 is 315522778.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 645820569 + 231404944 = 25413^2 + 15212^2 .

It is a cyclic number.

It is not a de Polignac number, because 877225513 - 2¹⁷ = 877094441 is a prime.

It is a super-2 number, since 2×877225513² = 1539049201316226338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (877225213) 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, 438612756 + 438612757.

It is an arithmetic number, because the mean of its divisors is an integer number (438612757).

Almost surely, 2^877225513 is an apocalyptic number.

It is an amenable number.

877225513 is a deficient number, since it is larger than the sum of its proper divisors (1).

877225513 is an equidigital number, since it uses as much as digits as its factorization.

877225513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 117600, while the sum is 40.

The square root of 877225513 is about 29617.9930616509. The cubic root of 877225513 is about 957.2758102330.

The spelling of 877225513 in words is "eight hundred seventy-seven million, two hundred twenty-five thousand, five hundred thirteen".