345556630461777 has 24 divisors (see below), whose sum is σ = 536042940106752. Its totient is φ = 197432359135200.

The previous prime is 345556630461751. The next prime is 345556630461839. The reversal of 345556630461777 is 777164036655543.

It is not a de Polignac number, because 345556630461777 - 2⁷ = 345556630461649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (345556630463777) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 169055374 + ... + 171087207.

It is an arithmetic number, because the mean of its divisors is an integer number (22335122504448).

Almost surely, 2^{345556630461777} is an apocalyptic number.

It is an amenable number.

345556630461777 is a deficient number, since it is larger than the sum of its proper divisors (190486309644975).

345556630461777 is a wasteful number, since it uses less digits than its factorization.

345556630461777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340149509 (or 340149502 counting only the distinct ones).

The product of its (nonzero) digits is 1333584000, while the sum is 69.

The spelling of 345556630461777 in words is "three hundred forty-five trillion, five hundred fifty-six billion, six hundred thirty million, four hundred sixty-one thousand, seven hundred seventy-seven".