34478428854 has 16 divisors (see below), whose sum is σ = 69928081920. Its totient is φ = 11330938920.

The previous prime is 34478428847. The next prime is 34478428877. The reversal of 34478428854 is 45882487443.

It is a junction number, because it is equal to n+sod(n) for n = 34478428794 and 34478428803.

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, 40467214 + ... + 40468065.

It is an arithmetic number, because the mean of its divisors is an integer number (4370505120).

Almost surely, 2^34478428854 is an apocalyptic number.

34478428854 is an abundant number, since it is smaller than the sum of its proper divisors (35449653066).

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

34478428854 is a wasteful number, since it uses less digits than its factorization.

34478428854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80935355.

The product of its digits is 27525120, while the sum is 57.

The spelling of 34478428854 in words is "thirty-four billion, four hundred seventy-eight million, four hundred twenty-eight thousand, eight hundred fifty-four".