106877581 has 2 divisors, whose sum is σ = 106877582. Its totient is φ = 106877580.

The previous prime is 106877549. The next prime is 106877587. The reversal of 106877581 is 185778601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79941481 + 26936100 = 8941^2 + 5190^2 .

It is a cyclic number.

It is not a de Polignac number, because 106877581 - 2⁵ = 106877549 is a prime.

It is a super-2 number, since 2×106877581² = 22845634640823122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106877587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53438790 + 53438791.

It is an arithmetic number, because the mean of its divisors is an integer number (53438791).

Almost surely, 2^106877581 is an apocalyptic number.

It is an amenable number.

106877581 is a deficient number, since it is larger than the sum of its proper divisors (1).

106877581 is an equidigital number, since it uses as much as digits as its factorization.

106877581 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 94080, while the sum is 43.

The square root of 106877581 is about 10338.1613935941. The cubic root of 106877581 is about 474.5648180405.

The spelling of 106877581 in words is "one hundred six million, eight hundred seventy-seven thousand, five hundred eighty-one".