106787057 has 4 divisors (see below), whose sum is σ = 115001460. Its totient is φ = 98572656.

The previous prime is 106787041. The next prime is 106787111. The reversal of 106787057 is 750787601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 66324736 + 40462321 = 8144^2 + 6361^2 .

It is not a de Polignac number, because 106787057 - 2⁴ = 106787041 is a prime.

It is a super-2 number, since 2×106787057² = 22806951085442498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106787357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4107182 + ... + 4107207.

It is an arithmetic number, because the mean of its divisors is an integer number (28750365).

Almost surely, 2^106787057 is an apocalyptic number.

It is an amenable number.

106787057 is a deficient number, since it is larger than the sum of its proper divisors (8214403).

106787057 is an equidigital number, since it uses as much as digits as its factorization.

106787057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8214402.

The product of its (nonzero) digits is 82320, while the sum is 41.

The square root of 106787057 is about 10333.7823182028. The cubic root of 106787057 is about 474.4307966688.

The spelling of 106787057 in words is "one hundred six million, seven hundred eighty-seven thousand, fifty-seven".