109507967 has 4 divisors (see below), whose sum is σ = 109853736. Its totient is φ = 109162200.

The previous prime is 109507943. The next prime is 109507969. The reversal of 109507967 is 769705901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 769705901 = 4993 ⋅154157.

It is a cyclic number.

It is not a de Polignac number, because 109507967 - 2¹² = 109503871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109507969) 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, 172409 + ... + 173042.

It is an arithmetic number, because the mean of its divisors is an integer number (27463434).

Almost surely, 2^109507967 is an apocalyptic number.

109507967 is a deficient number, since it is larger than the sum of its proper divisors (345769).

109507967 is an equidigital number, since it uses as much as digits as its factorization.

109507967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345768.

The product of its (nonzero) digits is 119070, while the sum is 44.

The square root of 109507967 is about 10464.6054392891. The cubic root of 109507967 is about 478.4265128104.

The spelling of 109507967 in words is "one hundred nine million, five hundred seven thousand, nine hundred sixty-seven".