34881659478 has 16 divisors (see below), whose sum is σ = 77514798960. Its totient is φ = 11627219808.

The previous prime is 34881659429. The next prime is 34881659557. The reversal of 34881659478 is 87495618843.

34881659478 is a `hidden beast` number, since 3 + 488 + 1 + 65 + 94 + 7 + 8 = 666.

34881659478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322978275 + ... + 322978382.

It is an arithmetic number, because the mean of its divisors is an integer number (4844674935).

Almost surely, 2^34881659478 is an apocalyptic number.

34881659478 is an abundant number, since it is smaller than the sum of its proper divisors (42633139482).

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

34881659478 is a wasteful number, since it uses less digits than its factorization.

34881659478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645956668 (or 645956662 counting only the distinct ones).

The product of its digits is 46448640, while the sum is 63.

The spelling of 34881659478 in words is "thirty-four billion, eight hundred eighty-one million, six hundred fifty-nine thousand, four hundred seventy-eight".