773990457311 has 4 divisors (see below), whose sum is σ = 791990235432. Its totient is φ = 755990679192.

The previous prime is 773990457287. The next prime is 773990457313. The reversal of 773990457311 is 113754099377.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 773990457311 - 2³⁸ = 499112550367 is a prime.

It is a super-2 number, since 2×773990457311² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (773990457313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8999888996 + ... + 8999889081.

It is an arithmetic number, because the mean of its divisors is an integer number (197997558858).

Almost surely, 2^773990457311 is an apocalyptic number.

773990457311 is a deficient number, since it is larger than the sum of its proper divisors (17999778121).

773990457311 is a wasteful number, since it uses less digits than its factorization.

773990457311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17999778120.

The product of its (nonzero) digits is 5000940, while the sum is 56.

The spelling of 773990457311 in words is "seven hundred seventy-three billion, nine hundred ninety million, four hundred fifty-seven thousand, three hundred eleven".