107278997755 has 4 divisors (see below), whose sum is σ = 128734797312. Its totient is φ = 85823198200.

The previous prime is 107278997747. The next prime is 107278997767. The reversal of 107278997755 is 557799872701.

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

It is not a de Polignac number, because 107278997755 - 2³ = 107278997747 is a prime.

It is a Duffinian number.

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, 10727899771 + ... + 10727899780.

It is an arithmetic number, because the mean of its divisors is an integer number (32183699328).

Almost surely, 2^107278997755 is an apocalyptic number.

107278997755 is a deficient number, since it is larger than the sum of its proper divisors (21455799557).

107278997755 is an equidigital number, since it uses as much as digits as its factorization.

107278997755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21455799556.

The product of its (nonzero) digits is 77792400, while the sum is 67.

The spelling of 107278997755 in words is "one hundred seven billion, two hundred seventy-eight million, nine hundred ninety-seven thousand, seven hundred fifty-five".