771055317442 has 16 divisors (see below), whose sum is σ = 1181322817920. Its totient is φ = 377282873968.

The previous prime is 771055317437. The next prime is 771055317491. The reversal of 771055317442 is 244713550177.

771055317442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 771055317392 and 771055317401.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 398808 + ... + 1304284.

It is an arithmetic number, because the mean of its divisors is an integer number (73832676120).

Almost surely, 2^771055317442 is an apocalyptic number.

771055317442 is a deficient number, since it is larger than the sum of its proper divisors (410267500478).

771055317442 is a wasteful number, since it uses less digits than its factorization.

771055317442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914585.

The product of its (nonzero) digits is 823200, while the sum is 46.

The spelling of 771055317442 in words is "seven hundred seventy-one billion, fifty-five million, three hundred seventeen thousand, four hundred forty-two".