101680277 has 2 divisors, whose sum is σ = 101680278. Its totient is φ = 101680276.

The previous prime is 101680273. The next prime is 101680291. The reversal of 101680277 is 772086101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79316836 + 22363441 = 8906^2 + 4729^2 .

It is an emirp because it is prime and its reverse (772086101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101680277 - 2² = 101680273 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101680273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50840138 + 50840139.

It is an arithmetic number, because the mean of its divisors is an integer number (50840139).

Almost surely, 2^101680277 is an apocalyptic number.

It is an amenable number.

101680277 is a deficient number, since it is larger than the sum of its proper divisors (1).

101680277 is an equidigital number, since it uses as much as digits as its factorization.

101680277 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4704, while the sum is 32.

The square root of 101680277 is about 10083.6638678607. The cubic root of 101680277 is about 466.7441752778.

The spelling of 101680277 in words is "one hundred one million, six hundred eighty thousand, two hundred seventy-seven".