105780778576 has 40 divisors (see below), whose sum is σ = 223623794304. Its totient is φ = 48073205760.

The previous prime is 105780778573. The next prime is 105780778577. The reversal of 105780778576 is 675877087501.

It is a super-2 number, since 2×105780778576² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105780778573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 940656 + ... + 1047088.

Almost surely, 2^105780778576 is an apocalyptic number.

105780778576 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

105780778576 is an abundant number, since it is smaller than the sum of its proper divisors (117843015728).

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

105780778576 is a wasteful number, since it uses less digits than its factorization.

105780778576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112099 (or 112093 counting only the distinct ones).

The product of its (nonzero) digits is 23049600, while the sum is 61.

The spelling of 105780778576 in words is "one hundred five billion, seven hundred eighty million, seven hundred seventy-eight thousand, five hundred seventy-six".