109077723217 has 8 divisors (see below), whose sum is σ = 111002973480. Its totient is φ = 107156895360.

The previous prime is 109077723199. The next prime is 109077723241. The reversal of 109077723217 is 712327770901.

It can be written as a sum of positive squares in 4 ways, for example, as 203461696 + 108874261521 = 14264^2 + 329961^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 109077723217 - 2¹⁹ = 109077198929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109077723247) 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, 1055818 + ... + 1154515.

It is an arithmetic number, because the mean of its divisors is an integer number (13875371685).

Almost surely, 2^109077723217 is an apocalyptic number.

It is an amenable number.

109077723217 is a deficient number, since it is larger than the sum of its proper divisors (1925250263).

109077723217 is an equidigital number, since it uses as much as digits as its factorization.

109077723217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2211203.

The product of its (nonzero) digits is 259308, while the sum is 46.

The spelling of 109077723217 in words is "one hundred nine billion, seventy-seven million, seven hundred twenty-three thousand, two hundred seventeen".