108390781562 has 8 divisors (see below), whose sum is σ = 185812768416. Its totient is φ = 46453192092.

The previous prime is 108390781549. The next prime is 108390781633. The reversal of 108390781562 is 265187093801.

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

It is a self number, because there is not a number n which added to its sum of digits gives 108390781562.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3871099328 + ... + 3871099355.

It is an arithmetic number, because the mean of its divisors is an integer number (23226596052).

Almost surely, 2^108390781562 is an apocalyptic number.

108390781562 is a deficient number, since it is larger than the sum of its proper divisors (77421986854).

108390781562 is an equidigital number, since it uses as much as digits as its factorization.

108390781562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7742198692.

The product of its (nonzero) digits is 725760, while the sum is 50.

The spelling of 108390781562 in words is "one hundred eight billion, three hundred ninety million, seven hundred eighty-one thousand, five hundred sixty-two".