345702828277 has 4 divisors (see below), whose sum is σ = 345704052640. Its totient is φ = 345701603916.

The previous prime is 345702828257. The next prime is 345702828283. The reversal of 345702828277 is 772828207543.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345702828277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345702828257) 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, 50374 + ... + 833032.

It is an arithmetic number, because the mean of its divisors is an integer number (86426013160).

Almost surely, 2^345702828277 is an apocalyptic number.

It is an amenable number.

345702828277 is a deficient number, since it is larger than the sum of its proper divisors (1224363).

345702828277 is an equidigital number, since it uses as much as digits as its factorization.

345702828277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1224362.

The product of its (nonzero) digits is 10536960, while the sum is 55.

The spelling of 345702828277 in words is "three hundred forty-five billion, seven hundred two million, eight hundred twenty-eight thousand, two hundred seventy-seven".