106720919727 has 8 divisors (see below), whose sum is σ = 144979362864. Its totient is φ = 69804878208.

The previous prime is 106720919681. The next prime is 106720919741. The reversal of 106720919727 is 727919027601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 106720919727 - 2⁶ = 106720919663 is a prime.

It is a super-2 number, since 2×106720919727² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 106720919727.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106720917727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335600218 + ... + 335600535.

It is an arithmetic number, because the mean of its divisors is an integer number (18122420358).

Almost surely, 2^106720919727 is an apocalyptic number.

106720919727 is a deficient number, since it is larger than the sum of its proper divisors (38258443137).

106720919727 is an equidigital number, since it uses as much as digits as its factorization.

106720919727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671200809.

The product of its (nonzero) digits is 666792, while the sum is 51.

The spelling of 106720919727 in words is "one hundred six billion, seven hundred twenty million, nine hundred nineteen thousand, seven hundred twenty-seven".