876947967025 has 27 divisors (see below), whose sum is σ = 1177578971361. Its totient is φ = 647547395040.

The previous prime is 876947967023. The next prime is 876947967139. The reversal of 876947967025 is 520769749678.

It is a happy number.

The square root of 876947967025 is 936455.

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

It can be written as a sum of positive squares in 4 ways, for example, as 226034635761 + 650913331264 = 475431^2 + 806792^2 .

It is not a de Polignac number, because 876947967025 - 2¹ = 876947967023 is a prime.

It is not an unprimeable number, because it can be changed into a prime (876947967023) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 60862372 + ... + 60876778.

Almost surely, 2^876947967025 is an apocalyptic number.

876947967025 is the 936455-th square number.

876947967025 is the 468228-th centered octagonal number.

It is an amenable number.

876947967025 is a deficient number, since it is larger than the sum of its proper divisors (300631004336).

876947967025 is an frugal number, since it uses more digits than its factorization.

876947967025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28850 (or 14425 counting only the distinct ones).

The product of its (nonzero) digits is 320060160, while the sum is 70.

The spelling of 876947967025 in words is "eight hundred seventy-six billion, nine hundred forty-seven million, nine hundred sixty-seven thousand, twenty-five".