107813444778 has 48 divisors (see below), whose sum is σ = 254595650400. Its totient is φ = 32773682592.

The previous prime is 107813444777. The next prime is 107813444821. The reversal of 107813444778 is 877444318701.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (107813444777) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2756128 + ... + 2794971.

It is an arithmetic number, because the mean of its divisors is an integer number (5304076050).

Almost surely, 2^107813444778 is an apocalyptic number.

107813444778 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

107813444778 is an abundant number, since it is smaller than the sum of its proper divisors (146782205622).

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

107813444778 is a wasteful number, since it uses less digits than its factorization.

107813444778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5551203 (or 5551200 counting only the distinct ones).

The product of its (nonzero) digits is 4214784, while the sum is 54.

The spelling of 107813444778 in words is "one hundred seven billion, eight hundred thirteen million, four hundred forty-four thousand, seven hundred seventy-eight".