107778493101 has 4 divisors (see below), whose sum is σ = 143704657472. Its totient is φ = 71852328732.

The previous prime is 107778493057. The next prime is 107778493129. The reversal of 107778493101 is 101394877701.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 107778493101 - 2⁶ = 107778493037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107778491101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17963082181 + ... + 17963082186.

It is an arithmetic number, because the mean of its divisors is an integer number (35926164368).

Almost surely, 2^107778493101 is an apocalyptic number.

It is an amenable number.

107778493101 is a deficient number, since it is larger than the sum of its proper divisors (35926164371).

107778493101 is an equidigital number, since it uses as much as digits as its factorization.

107778493101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35926164370.

The product of its (nonzero) digits is 296352, while the sum is 48.

The spelling of 107778493101 in words is "one hundred seven billion, seven hundred seventy-eight million, four hundred ninety-three thousand, one hundred one".