773996838 has 8 divisors (see below), whose sum is σ = 1547993688. Its totient is φ = 257998944.

The previous prime is 773996833. The next prime is 773996843. The reversal of 773996838 is 838699377.

It is an interprime number because it is at equal distance from previous prime (773996833) and next prime (773996843).

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

773996838 is an admirable number.

It is a super-2 number, since 2×773996838² = 1198142210467996488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (773996833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64499731 + ... + 64499742.

It is an arithmetic number, because the mean of its divisors is an integer number (193499211).

Almost surely, 2^773996838 is an apocalyptic number.

773996838 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

773996838 is a wasteful number, since it uses less digits than its factorization.

773996838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128999478.

The product of its digits is 13716864, while the sum is 60.

The square root of 773996838 is about 27820.7986585576. The cubic root of 773996838 is about 918.1487814256.

The spelling of 773996838 in words is "seven hundred seventy-three million, nine hundred ninety-six thousand, eight hundred thirty-eight".