1773978468 has 24 divisors (see below), whose sum is σ = 4251156672. Its totient is φ = 575344224.

The previous prime is 1773978419. The next prime is 1773978473. The reversal of 1773978468 is 8648793771.

1773978468 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1997280 + ... + 1998167.

It is an arithmetic number, because the mean of its divisors is an integer number (177131528).

Almost surely, 2^1773978468 is an apocalyptic number.

It is an amenable number.

1773978468 is an abundant number, since it is smaller than the sum of its proper divisors (2477178204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1773978468 is a wasteful number, since it uses less digits than its factorization.

1773978468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3995491 (or 3995489 counting only the distinct ones).

The product of its digits is 14224896, while the sum is 60.

The square root of 1773978468 is about 42118.6237666902. The cubic root of 1773978468 is about 1210.5501375610.

The spelling of 1773978468 in words is "one billion, seven hundred seventy-three million, nine hundred seventy-eight thousand, four hundred sixty-eight".