106920977 has 2 divisors, whose sum is σ = 106920978. Its totient is φ = 106920976.

The previous prime is 106920917. The next prime is 106921013. The reversal of 106920977 is 779029601.

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., 105596176 + 1324801 = 10276^2 + 1151^2 .

It is a cyclic number.

It is not a de Polignac number, because 106920977 - 2¹⁴ = 106904593 is a prime.

It is a super-2 number, since 2×106920977² = 22864190645269058, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (106920917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53460488 + 53460489.

It is an arithmetic number, because the mean of its divisors is an integer number (53460489).

Almost surely, 2^106920977 is an apocalyptic number.

It is an amenable number.

106920977 is a deficient number, since it is larger than the sum of its proper divisors (1).

106920977 is an equidigital number, since it uses as much as digits as its factorization.

106920977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47628, while the sum is 41.

The square root of 106920977 is about 10340.2600064022. The cubic root of 106920977 is about 474.6290392674.

The spelling of 106920977 in words is "one hundred six million, nine hundred twenty thousand, nine hundred seventy-seven".