100850085197 has 2 divisors, whose sum is σ = 100850085198. Its totient is φ = 100850085196.

The previous prime is 100850085157. The next prime is 100850085211. The reversal of 100850085197 is 791580058001.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72630789001 + 28219296196 = 269501^2 + 167986^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100850085197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100850085157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50425042598 + 50425042599.

It is an arithmetic number, because the mean of its divisors is an integer number (50425042599).

Almost surely, 2^100850085197 is an apocalyptic number.

It is an amenable number.

100850085197 is a deficient number, since it is larger than the sum of its proper divisors (1).

100850085197 is an equidigital number, since it uses as much as digits as its factorization.

100850085197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100800, while the sum is 44.

The spelling of 100850085197 in words is "one hundred billion, eight hundred fifty million, eighty-five thousand, one hundred ninety-seven".