106861477 has 2 divisors, whose sum is σ = 106861478. Its totient is φ = 106861476.

The previous prime is 106861471. The next prime is 106861523. The reversal of 106861477 is 774168601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94653441 + 12208036 = 9729^2 + 3494^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106861477 is a prime.

It is a super-2 number, since 2×106861477² = 22838750533243058, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106861471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53430738 + 53430739.

It is an arithmetic number, because the mean of its divisors is an integer number (53430739).

Almost surely, 2^106861477 is an apocalyptic number.

It is an amenable number.

106861477 is a deficient number, since it is larger than the sum of its proper divisors (1).

106861477 is an equidigital number, since it uses as much as digits as its factorization.

106861477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 106861477 is about 10337.3825023552. The cubic root of 106861477 is about 474.5409814989.

The spelling of 106861477 in words is "one hundred six million, eight hundred sixty-one thousand, four hundred seventy-seven".