10489776885 has 32 divisors (see below), whose sum is σ = 21312564480. Its totient is φ = 4795326144.

The previous prime is 10489776853. The next prime is 10489776889. The reversal of 10489776885 is 58867798401.

10489776885 is a `hidden beast` number, since 1 + 0 + 489 + 7 + 76 + 8 + 85 = 666.

It is not a de Polignac number, because 10489776885 - 2⁵ = 10489776853 is a prime.

It is a super-2 number, since 2×10489776885² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10489776889) 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 31 ways as a sum of consecutive naturals, for example, 5549202 + ... + 5551091.

It is an arithmetic number, because the mean of its divisors is an integer number (666017640).

Almost surely, 2^10489776885 is an apocalyptic number.

10489776885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10489776885 is an abundant number, since it is smaller than the sum of its proper divisors (10822787595).

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

10489776885 is a wasteful number, since it uses less digits than its factorization.

10489776885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11100314 (or 11100308 counting only the distinct ones).

The product of its (nonzero) digits is 27095040, while the sum is 63.

The spelling of 10489776885 in words is "ten billion, four hundred eighty-nine million, seven hundred seventy-six thousand, eight hundred eighty-five".