771604938348 has 24 divisors (see below), whose sum is σ = 1825769433600. Its totient is φ = 253579087440.

The previous prime is 771604938347. The next prime is 771604938353. The reversal of 771604938348 is 843839406177.

It is a junction number, because it is equal to n+sod(n) for n = 771604938291 and 771604938300.

It is not an unprimeable number, because it can be changed into a prime (771604938341) 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, 452818948 + ... + 452820651.

It is an arithmetic number, because the mean of its divisors is an integer number (76073726400).

Almost surely, 2^771604938348 is an apocalyptic number.

It is an amenable number.

771604938348 is an abundant number, since it is smaller than the sum of its proper divisors (1054164495252).

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

771604938348 is a wasteful number, since it uses less digits than its factorization.

771604938348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905639677 (or 905639675 counting only the distinct ones).

The product of its (nonzero) digits is 24385536, while the sum is 60.

The spelling of 771604938348 in words is "seven hundred seventy-one billion, six hundred four million, nine hundred thirty-eight thousand, three hundred forty-eight".