774434390952 has 32 divisors (see below), whose sum is σ = 1949079852000. Its totient is φ = 256412280384.

The previous prime is 774434390927. The next prime is 774434390981. The reversal of 774434390952 is 259093434477.

It is a junction number, because it is equal to n+sod(n) for n = 774434390892 and 774434390901.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 108278638 + ... + 108285789.

It is an arithmetic number, because the mean of its divisors is an integer number (60908745375).

Almost surely, 2^774434390952 is an apocalyptic number.

It is an amenable number.

774434390952 is an abundant number, since it is smaller than the sum of its proper divisors (1174645461048).

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

774434390952 is a wasteful number, since it uses less digits than its factorization.

774434390952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216564585 (or 216564581 counting only the distinct ones).

The product of its (nonzero) digits is 22861440, while the sum is 57.

The spelling of 774434390952 in words is "seven hundred seventy-four billion, four hundred thirty-four million, three hundred ninety thousand, nine hundred fifty-two".