773670081 has 4 divisors (see below), whose sum is σ = 1031560112. Its totient is φ = 515780052.

The previous prime is 773670071. The next prime is 773670083. The reversal of 773670081 is 180076377.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 773670081 - 2⁵ = 773670049 is a prime.

It is a super-2 number, since 2×773670081² = 1197130788469093122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (773670083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128945011 + ... + 128945016.

It is an arithmetic number, because the mean of its divisors is an integer number (257890028).

Almost surely, 2^773670081 is an apocalyptic number.

It is an amenable number.

773670081 is a deficient number, since it is larger than the sum of its proper divisors (257890031).

773670081 is a wasteful number, since it uses less digits than its factorization.

773670081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257890030.

The product of its (nonzero) digits is 49392, while the sum is 39.

The square root of 773670081 is about 27814.9255077198. The cubic root of 773670081 is about 918.0195587747.

The spelling of 773670081 in words is "seven hundred seventy-three million, six hundred seventy thousand, eighty-one".