107720193538187 has 2 divisors, whose sum is σ = 107720193538188. Its totient is φ = 107720193538186.

The previous prime is 107720193538129. The next prime is 107720193538193. The reversal of 107720193538187 is 781835391027701.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 107720193538187 - 2²² = 107720189343883 is a prime.

It is not a weakly prime, because it can be changed into another prime (107720196538187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53860096769093 + 53860096769094.

It is an arithmetic number, because the mean of its divisors is an integer number (53860096769094).

Almost surely, 2^{107720193538187} is an apocalyptic number.

107720193538187 is a deficient number, since it is larger than the sum of its proper divisors (1).

107720193538187 is an equidigital number, since it uses as much as digits as its factorization.

107720193538187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17781120, while the sum is 62.

The spelling of 107720193538187 in words is "one hundred seven trillion, seven hundred twenty billion, one hundred ninety-three million, five hundred thirty-eight thousand, one hundred eighty-seven".