773820401 has 8 divisors (see below), whose sum is σ = 779893920. Its totient is φ = 767766688.

The previous prime is 773820373. The next prime is 773820403. The reversal of 773820401 is 104028377.

It is a happy number.

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 773820401 - 2⁶ = 773820337 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (773820403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78965 + ... + 88221.

It is an arithmetic number, because the mean of its divisors is an integer number (97486740).

Almost surely, 2^773820401 is an apocalyptic number.

It is an amenable number.

773820401 is a deficient number, since it is larger than the sum of its proper divisors (6073519).

773820401 is a wasteful number, since it uses less digits than its factorization.

773820401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9903.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 773820401 is about 27817.6275228496. The cubic root of 773820401 is about 918.0790103708.

Adding to 773820401 its reverse (104028377), we get a palindrome (877848778).

The spelling of 773820401 in words is "seven hundred seventy-three million, eight hundred twenty thousand, four hundred one".