108390735667 has 4 divisors (see below), whose sum is σ = 110227866840. Its totient is φ = 106553604496.

The previous prime is 108390735653. The next prime is 108390735679. The reversal of 108390735667 is 766537093801.

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

It is a cyclic number.

It is not a de Polignac number, because 108390735667 - 2⁷ = 108390735539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108390730667) 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, 918565498 + ... + 918565615.

It is an arithmetic number, because the mean of its divisors is an integer number (27556966710).

Almost surely, 2^108390735667 is an apocalyptic number.

108390735667 is a deficient number, since it is larger than the sum of its proper divisors (1837131173).

108390735667 is an equidigital number, since it uses as much as digits as its factorization.

108390735667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1837131172.

The product of its (nonzero) digits is 5715360, while the sum is 55.

The spelling of 108390735667 in words is "one hundred eight billion, three hundred ninety million, seven hundred thirty-five thousand, six hundred sixty-seven".