773818380012 has 24 divisors (see below), whose sum is σ = 1911786586416. Its totient is φ = 242766550528.

The previous prime is 773818380011. The next prime is 773818380031. The reversal of 773818380012 is 210083818377.

It is a super-2 number, since 2×773818380012² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (773818380011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1896613473 + ... + 1896613880.

It is an arithmetic number, because the mean of its divisors is an integer number (79657774434).

Almost surely, 2^773818380012 is an apocalyptic number.

It is an amenable number.

773818380012 is an abundant number, since it is smaller than the sum of its proper divisors (1137968206404).

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

773818380012 is a wasteful number, since it uses less digits than its factorization.

773818380012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3793227377 (or 3793227375 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 48.

The spelling of 773818380012 in words is "seven hundred seventy-three billion, eight hundred eighteen million, three hundred eighty thousand, twelve".