773798997 has 8 divisors (see below), whose sum is σ = 1086033760. Its totient is φ = 488715120.

The previous prime is 773798951. The next prime is 773798999. The reversal of 773798997 is 799897377.

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

It is not a de Polignac number, because 773798997 - 2¹¹ = 773796949 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 (773798999) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6787654 + ... + 6787767.

It is an arithmetic number, because the mean of its divisors is an integer number (135754220).

Almost surely, 2^773798997 is an apocalyptic number.

It is an amenable number.

773798997 is a deficient number, since it is larger than the sum of its proper divisors (312234763).

773798997 is a wasteful number, since it uses less digits than its factorization.

773798997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13575443.

The product of its digits is 42007896, while the sum is 66.

The square root of 773798997 is about 27817.2428001051. The cubic root of 773798997 is about 918.0705455538.

The spelling of 773798997 in words is "seven hundred seventy-three million, seven hundred ninety-eight thousand, nine hundred ninety-seven".