345786683984 has 20 divisors (see below), whose sum is σ = 765670514784. Its totient is φ = 148194293088.

The previous prime is 345786683971. The next prime is 345786683993. The reversal of 345786683984 is 489386687543.

It is a happy number.

It is a super-2 number, since 2×345786683984² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1543690442 + ... + 1543690665.

Almost surely, 2^345786683984 is an apocalyptic number.

It is an amenable number.

345786683984 is an abundant number, since it is smaller than the sum of its proper divisors (419883830800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

345786683984 is a wasteful number, since it uses less digits than its factorization.

345786683984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3087381122 (or 3087381116 counting only the distinct ones).

The product of its digits is 836075520, while the sum is 71.

The spelling of 345786683984 in words is "three hundred forty-five billion, seven hundred eighty-six million, six hundred eighty-three thousand, nine hundred eighty-four".