345783671748 has 36 divisors (see below), whose sum is σ = 874666801008. Its totient is φ = 115181770800.

The previous prime is 345783671743. The next prime is 345783671789. The reversal of 345783671748 is 847176387543.

345783671748 is a `hidden beast` number, since 3 + 4 + 578 + 3 + 6 + 7 + 17 + 48 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×345783671748² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (345783671743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3257586 + ... + 3362057.

It is an arithmetic number, because the mean of its divisors is an integer number (24296300028).

Almost surely, 2^345783671748 is an apocalyptic number.

It is an amenable number.

345783671748 is an abundant number, since it is smaller than the sum of its proper divisors (528883129260).

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

345783671748 is a wasteful number, since it uses less digits than its factorization.

345783671748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6621104 (or 6621099 counting only the distinct ones).

The product of its digits is 94832640, while the sum is 63.

The spelling of 345783671748 in words is "three hundred forty-five billion, seven hundred eighty-three million, six hundred seventy-one thousand, seven hundred forty-eight".