102077760661187 has 2 divisors, whose sum is σ = 102077760661188. Its totient is φ = 102077760661186.

The previous prime is 102077760661183. The next prime is 102077760661297. The reversal of 102077760661187 is 781166067770201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102077760661187 - 2² = 102077760661183 is a prime.

It is not a weakly prime, because it can be changed into another prime (102077760661183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51038880330593 + 51038880330594.

It is an arithmetic number, because the mean of its divisors is an integer number (51038880330594).

Almost surely, 2^{102077760661187} is an apocalyptic number.

102077760661187 is a deficient number, since it is larger than the sum of its proper divisors (1).

102077760661187 is an equidigital number, since it uses as much as digits as its factorization.

102077760661187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8297856, while the sum is 59.

The spelling of 102077760661187 in words is "one hundred two trillion, seventy-seven billion, seven hundred sixty million, six hundred sixty-one thousand, one hundred eighty-seven".