10500778368 has 48 divisors (see below), whose sum is σ = 30217086900. Its totient is φ = 3500259072.

The previous prime is 10500778357. The next prime is 10500778381. The reversal of 10500778368 is 86387700501.

10500778368 is a `hidden beast` number, since 1 + 0 + 500 + 7 + 7 + 83 + 68 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×10500778368² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4556478 + ... + 4558781.

Almost surely, 2^10500778368 is an apocalyptic number.

10500778368 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

10500778368 is an abundant number, since it is smaller than the sum of its proper divisors (19716308532).

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

10500778368 is an equidigital number, since it uses as much as digits as its factorization.

10500778368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9115279 (or 9115264 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The spelling of 10500778368 in words is "ten billion, five hundred million, seven hundred seventy-eight thousand, three hundred sixty-eight".