34381557678 has 16 divisors (see below), whose sum is σ = 74052585936. Its totient is φ = 10578940800.

The previous prime is 34381557643. The next prime is 34381557713. The reversal of 34381557678 is 87675518343.

It is an interprime number because it is at equal distance from previous prime (34381557643) and next prime (34381557713).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220394523 + ... + 220394678.

It is an arithmetic number, because the mean of its divisors is an integer number (4628286621).

Almost surely, 2^34381557678 is an apocalyptic number.

34381557678 is an abundant number, since it is smaller than the sum of its proper divisors (39671028258).

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

34381557678 is a wasteful number, since it uses less digits than its factorization.

34381557678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440789219.

The product of its digits is 16934400, while the sum is 57.

The spelling of 34381557678 in words is "thirty-four billion, three hundred eighty-one million, five hundred fifty-seven thousand, six hundred seventy-eight".