105886655780 has 12 divisors (see below), whose sum is σ = 222361977180. Its totient is φ = 42354662304.

The previous prime is 105886655761. The next prime is 105886655851. The reversal of 105886655780 is 87556688501.

It can be written as a sum of positive squares in 2 ways, for example, as 19181142016 + 86705513764 = 138496^2 + 294458^2 .

It is a super-2 number, since 2×105886655780² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (59) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2647166375 + ... + 2647166414.

It is an arithmetic number, because the mean of its divisors is an integer number (18530164765).

Almost surely, 2^105886655780 is an apocalyptic number.

105886655780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105886655780 is an abundant number, since it is smaller than the sum of its proper divisors (116475321400).

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

105886655780 is a wasteful number, since it uses less digits than its factorization.

105886655780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5294332798 (or 5294332796 counting only the distinct ones).

The product of its (nonzero) digits is 16128000, while the sum is 59.

The spelling of 105886655780 in words is "one hundred five billion, eight hundred eighty-six million, six hundred fifty-five thousand, seven hundred eighty".