774773811340 has 12 divisors (see below), whose sum is σ = 1627025003856. Its totient is φ = 309909524528.

The previous prime is 774773811311. The next prime is 774773811341. The reversal of 774773811340 is 43118377477.

It is not an unprimeable number, because it can be changed into a prime (774773811341) 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, 19369345264 + ... + 19369345303.

It is an arithmetic number, because the mean of its divisors is an integer number (135585416988).

Almost surely, 2^774773811340 is an apocalyptic number.

It is an amenable number.

774773811340 is an abundant number, since it is smaller than the sum of its proper divisors (852251192516).

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

774773811340 is a wasteful number, since it uses less digits than its factorization.

774773811340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38738690576 (or 38738690574 counting only the distinct ones).

The product of its (nonzero) digits is 2765952, while the sum is 52.

The spelling of 774773811340 in words is "seven hundred seventy-four billion, seven hundred seventy-three million, eight hundred eleven thousand, three hundred forty".