100377710197 has 2 divisors, whose sum is σ = 100377710198. Its totient is φ = 100377710196.

The previous prime is 100377710161. The next prime is 100377710207. The reversal of 100377710197 is 791017773001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51395610436 + 48982099761 = 226706^2 + 221319^2 .

It is a cyclic number.

It is not a de Polignac number, because 100377710197 - 2¹⁵ = 100377677429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100377710117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50188855098 + 50188855099.

It is an arithmetic number, because the mean of its divisors is an integer number (50188855099).

Almost surely, 2^100377710197 is an apocalyptic number.

It is an amenable number.

100377710197 is a deficient number, since it is larger than the sum of its proper divisors (1).

100377710197 is an equidigital number, since it uses as much as digits as its factorization.

100377710197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64827, while the sum is 43.

The spelling of 100377710197 in words is "one hundred billion, three hundred seventy-seven million, seven hundred ten thousand, one hundred ninety-seven".