770780127845 has 64 divisors (see below), whose sum is σ = 1156485098496. Its totient is φ = 480176087040.

The previous prime is 770780127827. The next prime is 770780127877. The reversal of 770780127845 is 548721087077.

770780127845 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 770780127845 - 2⁸ = 770780127589 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7940192 + ... + 8036678.

It is an arithmetic number, because the mean of its divisors is an integer number (18070079664).

Almost surely, 2^770780127845 is an apocalyptic number.

It is an amenable number.

770780127845 is a deficient number, since it is larger than the sum of its proper divisors (385704970651).

770780127845 is a wasteful number, since it uses less digits than its factorization.

770780127845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96790.

The product of its (nonzero) digits is 6146560, while the sum is 56.

The spelling of 770780127845 in words is "seven hundred seventy billion, seven hundred eighty million, one hundred twenty-seven thousand, eight hundred forty-five".