34457781688 has 64 divisors (see below), whose sum is σ = 70774560000. Its totient is φ = 15597753600.

The previous prime is 34457781679. The next prime is 34457781703. The reversal of 34457781688 is 88618775443.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 40113403 + ... + 40114261.

It is an arithmetic number, because the mean of its divisors is an integer number (1105852500).

Almost surely, 2^34457781688 is an apocalyptic number.

It is an amenable number.

34457781688 is an abundant number, since it is smaller than the sum of its proper divisors (36316778312).

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

34457781688 is a wasteful number, since it uses less digits than its factorization.

34457781688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2236 (or 2232 counting only the distinct ones).

The product of its digits is 36126720, while the sum is 61.

The spelling of 34457781688 in words is "thirty-four billion, four hundred fifty-seven million, seven hundred eighty-one thousand, six hundred eighty-eight".