774345187112 has 64 divisors (see below), whose sum is σ = 1746783792000. Its totient is φ = 314370498816.

The previous prime is 774345187103. The next prime is 774345187117. The reversal of 774345187112 is 211781543477.

It is a super-2 number, since 2×774345187112² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (774345187117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19034858 + ... + 19075494.

It is an arithmetic number, because the mean of its divisors is an integer number (27293496750).

Almost surely, 2^774345187112 is an apocalyptic number.

It is an amenable number.

774345187112 is an abundant number, since it is smaller than the sum of its proper divisors (972438604888).

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

774345187112 is a wasteful number, since it uses less digits than its factorization.

774345187112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58578 (or 58574 counting only the distinct ones).

The product of its digits is 1317120, while the sum is 50.

The spelling of 774345187112 in words is "seven hundred seventy-four billion, three hundred forty-five million, one hundred eighty-seven thousand, one hundred twelve".