10778602820 has 48 divisors (see below), whose sum is σ = 23985179568. Its totient is φ = 4054671360.

The previous prime is 10778602817. The next prime is 10778602829. The reversal of 10778602820 is 2820687701.

It can be written as a sum of positive squares in 8 ways, for example, as 1697275204 + 9081327616 = 41198^2 + 95296^2 .

It is not an unprimeable number, because it can be changed into a prime (10778602829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 451094 + ... + 474386.

It is an arithmetic number, because the mean of its divisors is an integer number (499691241).

Almost surely, 2^10778602820 is an apocalyptic number.

10778602820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10778602820 is an abundant number, since it is smaller than the sum of its proper divisors (13206576748).

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

10778602820 is a wasteful number, since it uses less digits than its factorization.

10778602820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24680 (or 24678 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 41.

The spelling of 10778602820 in words is "ten billion, seven hundred seventy-eight million, six hundred two thousand, eight hundred twenty".