633066879025 has 81 divisors (see below), whose sum is σ = 925584280299. Its totient is φ = 428278808160.

The previous prime is 633066879023. The next prime is 633066879031. The reversal of 633066879025 is 520978660336.

The square root of 633066879025 is 795655.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 227904076449 + 405162802576 = 477393^2 + 636524^2 .

It is not a de Polignac number, because 633066879025 - 2¹ = 633066879023 is a prime.

It is not an unprimeable number, because it can be changed into a prime (633066879023) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 3536686386 + ... + 3536686564.

Almost surely, 2^633066879025 is an apocalyptic number.

633066879025 is the 795655-th square number.

633066879025 is the 397828-th centered octagonal number.

It is an amenable number.

633066879025 is a deficient number, since it is larger than the sum of its proper divisors (292517401274).

633066879025 is an equidigital number, since it uses as much as digits as its factorization.

633066879025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636 (or 318 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 55.

The spelling of 633066879025 in words is "six hundred thirty-three billion, sixty-six million, eight hundred seventy-nine thousand, twenty-five".