345558924779 has 4 divisors (see below), whose sum is σ = 346356982776. Its totient is φ = 344760866784.

The previous prime is 345558924721. The next prime is 345558924829. The reversal of 345558924779 is 977429855543.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345558924779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345558924079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 399028349 + ... + 399029214.

It is an arithmetic number, because the mean of its divisors is an integer number (86589245694).

Almost surely, 2^345558924779 is an apocalyptic number.

345558924779 is a deficient number, since it is larger than the sum of its proper divisors (798057997).

345558924779 is an equidigital number, since it uses as much as digits as its factorization.

345558924779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798057996.

The product of its digits is 381024000, while the sum is 68.

The spelling of 345558924779 in words is "three hundred forty-five billion, five hundred fifty-eight million, nine hundred twenty-four thousand, seven hundred seventy-nine".