345086079221 has 8 divisors (see below), whose sum is σ = 371693946624. Its totient is φ = 318487181040.

The previous prime is 345086079211. The next prime is 345086079277. The reversal of 345086079221 is 122970680543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345086079221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345086079211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2162285 + ... + 2316386.

It is an arithmetic number, because the mean of its divisors is an integer number (46461743328).

It is a 1-persistent number, because it is pandigital, but 2⋅345086079221 = 690172158442 is not.

Almost surely, 2^345086079221 is an apocalyptic number.

It is an amenable number.

345086079221 is a deficient number, since it is larger than the sum of its proper divisors (26607867403).

345086079221 is a wasteful number, since it uses less digits than its factorization.

345086079221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4484611.

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 345086079221 in words is "three hundred forty-five billion, eighty-six million, seventy-nine thousand, two hundred twenty-one".