887798630565 has 72 divisors (see below), whose sum is σ = 1933102114944. Its totient is φ = 368955259200.

The previous prime is 887798630533. The next prime is 887798630567. The reversal of 887798630565 is 565036897788.

It is not a de Polignac number, because 887798630565 - 2⁵ = 887798630533 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 887798630493 and 887798630502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (887798630567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 11608201 + ... + 11684430.

Almost surely, 2^887798630565 is an apocalyptic number.

It is an amenable number.

887798630565 is an abundant number, since it is smaller than the sum of its proper divisors (1045303484379).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

887798630565 is a wasteful number, since it uses less digits than its factorization.

887798630565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23292671 (or 23292657 counting only the distinct ones).

The product of its (nonzero) digits is 609638400, while the sum is 72.

The spelling of 887798630565 in words is "eight hundred eighty-seven billion, seven hundred ninety-eight million, six hundred thirty thousand, five hundred sixty-five".