106609359787 has 16 divisors (see below), whose sum is σ = 129030777792. Its totient is φ = 85987860480.

The previous prime is 106609359781. The next prime is 106609359827. The reversal of 106609359787 is 787953906601.

It is a de Polignac number, because none of the positive numbers 2^k-106609359787 is a prime.

It is a super-2 number, since 2×106609359787² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106609359781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 565153 + ... + 729805.

It is an arithmetic number, because the mean of its divisors is an integer number (8064423612).

Almost surely, 2^106609359787 is an apocalyptic number.

106609359787 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

106609359787 is a deficient number, since it is larger than the sum of its proper divisors (22421418005).

106609359787 is a wasteful number, since it uses less digits than its factorization.

106609359787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170118.

The product of its (nonzero) digits is 17146080, while the sum is 61.

The spelling of 106609359787 in words is "one hundred six billion, six hundred nine million, three hundred fifty-nine thousand, seven hundred eighty-seven".