345673881257 has 16 divisors (see below), whose sum is σ = 373936165632. Its totient is φ = 318297772800.

The previous prime is 345673881251. The next prime is 345673881281. The reversal of 345673881257 is 752188376543.

It is not a de Polignac number, because 345673881257 - 2¹⁸ = 345673619113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 345673881196 and 345673881205.

It is not an unprimeable number, because it can be changed into a prime (345673881251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2071382 + ... + 2232032.

It is an arithmetic number, because the mean of its divisors is an integer number (23371010352).

Almost surely, 2^345673881257 is an apocalyptic number.

It is an amenable number.

345673881257 is a deficient number, since it is larger than the sum of its proper divisors (28262284375).

345673881257 is a wasteful number, since it uses less digits than its factorization.

345673881257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163408.

The product of its digits is 33868800, while the sum is 59.

The spelling of 345673881257 in words is "three hundred forty-five billion, six hundred seventy-three million, eight hundred eighty-one thousand, two hundred fifty-seven".