107778873840 has 80 divisors (see below), whose sum is σ = 364488564096. Its totient is φ = 26128211200.

The previous prime is 107778873803. The next prime is 107778873857. The reversal of 107778873840 is 48378877701.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20410026 + ... + 20415305.

Almost surely, 2^107778873840 is an apocalyptic number.

107778873840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

107778873840 is an abundant number, since it is smaller than the sum of its proper divisors (256709690256).

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

107778873840 is a wasteful number, since it uses less digits than its factorization.

107778873840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40825358 (or 40825352 counting only the distinct ones).

The product of its (nonzero) digits is 14751744, while the sum is 60.

The spelling of 107778873840 in words is "one hundred seven billion, seven hundred seventy-eight million, eight hundred seventy-three thousand, eight hundred forty".