108661077 has 36 divisors (see below), whose sum is σ = 186065100. Its totient is φ = 60907392.

The previous prime is 108661061. The next prime is 108661087. The reversal of 108661077 is 770166801.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 95765796 + 12895281 = 9786^2 + 3591^2 .

It is not a de Polignac number, because 108661077 - 2⁴ = 108661061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108661087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 21049 + ... + 25697.

It is an arithmetic number, because the mean of its divisors is an integer number (5168475).

Almost surely, 2^108661077 is an apocalyptic number.

It is an amenable number.

108661077 is a deficient number, since it is larger than the sum of its proper divisors (77404023).

108661077 is a wasteful number, since it uses less digits than its factorization.

108661077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4722 (or 4712 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 108661077 is about 10424.0624038807. The cubic root of 108661077 is about 477.1900011770.

The spelling of 108661077 in words is "one hundred eight million, six hundred sixty-one thousand, seventy-seven".