887985653 has 4 divisors (see below), whose sum is σ = 934721760. Its totient is φ = 841249548.

The previous prime is 887985649. The next prime is 887985661. The reversal of 887985653 is 356589788.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 887985653 - 2² = 887985649 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 887985592 and 887985601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (887985643) 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 3 ways as a sum of consecutive naturals, for example, 23368025 + ... + 23368062.

It is an arithmetic number, because the mean of its divisors is an integer number (233680440).

Almost surely, 2^887985653 is an apocalyptic number.

It is an amenable number.

887985653 is a deficient number, since it is larger than the sum of its proper divisors (46736107).

887985653 is a wasteful number, since it uses less digits than its factorization.

887985653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46736106.

The product of its digits is 14515200, while the sum is 59.

The square root of 887985653 is about 29799.0881236322. The cubic root of 887985653 is about 961.1739302730.

The spelling of 887985653 in words is "eight hundred eighty-seven million, nine hundred eighty-five thousand, six hundred fifty-three".