771114655345 has 4 divisors (see below), whose sum is σ = 925337586420. Its totient is φ = 616891724272.

The previous prime is 771114655343. The next prime is 771114655349. The reversal of 771114655345 is 543556411177.

771114655345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 116970156081 + 654144499264 = 342009^2 + 808792^2 .

It is a cyclic number.

It is not a de Polignac number, because 771114655345 - 2¹ = 771114655343 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (771114655343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77111465530 + ... + 77111465539.

It is an arithmetic number, because the mean of its divisors is an integer number (231334396605).

Almost surely, 2^771114655345 is an apocalyptic number.

It is an amenable number.

771114655345 is a deficient number, since it is larger than the sum of its proper divisors (154222931075).

771114655345 is a wasteful number, since it uses less digits than its factorization.

771114655345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154222931074.

The product of its digits is 1764000, while the sum is 49.

The spelling of 771114655345 in words is "seven hundred seventy-one billion, one hundred fourteen million, six hundred fifty-five thousand, three hundred forty-five".