10781316776 has 32 divisors (see below), whose sum is σ = 21005913600. Its totient is φ = 5181408960.

The previous prime is 10781316773. The next prime is 10781316781. The reversal of 10781316776 is 67761318701.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 10781316776.

It is not an unprimeable number, because it can be changed into a prime (10781316773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52460 + ... + 155931.

It is an arithmetic number, because the mean of its divisors is an integer number (656434800).

Almost surely, 2^10781316776 is an apocalyptic number.

It is an amenable number.

10781316776 is a deficient number, since it is larger than the sum of its proper divisors (10224596824).

10781316776 is a wasteful number, since it uses less digits than its factorization.

10781316776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208649 (or 208645 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 47.

The spelling of 10781316776 in words is "ten billion, seven hundred eighty-one million, three hundred sixteen thousand, seven hundred seventy-six".