107705075146778 has 4 divisors (see below), whose sum is σ = 161557612720170. Its totient is φ = 53852537573388.

The previous prime is 107705075146667. The next prime is 107705075146787. The reversal of 107705075146778 is 877641570507701.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 74946817495489 + 32758257651289 = 8657183^2 + 5723483^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26926268786693 + ... + 26926268786696.

Almost surely, 2^{107705075146778} is an apocalyptic number.

107705075146778 is a deficient number, since it is larger than the sum of its proper divisors (53852537573392).

107705075146778 is an equidigital number, since it uses as much as digits as its factorization.

107705075146778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53852537573391.

The product of its (nonzero) digits is 80673600, while the sum is 65.

The spelling of 107705075146778 in words is "one hundred seven trillion, seven hundred five billion, seventy-five million, one hundred forty-six thousand, seven hundred seventy-eight".