10767776778 has 192 divisors, whose sum is σ = 28579599360. Its totient is φ = 2890598400.

The previous prime is 10767776777. The next prime is 10767776783. The reversal of 10767776778 is 87767776701.

It is a super-2 number, since 2×10767776778² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10767776777) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3859408 + ... + 3862196.

It is an arithmetic number, because the mean of its divisors is an integer number (148852080).

Almost surely, 2^10767776778 is an apocalyptic number.

10767776778 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10767776778, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14289799680).

10767776778 is an abundant number, since it is smaller than the sum of its proper divisors (17811822582).

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

10767776778 is a wasteful number, since it uses less digits than its factorization.

10767776778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2893 (or 2890 counting only the distinct ones).

The product of its (nonzero) digits is 33882912, while the sum is 63.

The spelling of 10767776778 in words is "ten billion, seven hundred sixty-seven million, seven hundred seventy-six thousand, seven hundred seventy-eight".