34478428635 has 96 divisors (see below), whose sum is σ = 69085965312. Its totient is φ = 15580880640.

The previous prime is 34478428609. The next prime is 34478428639. The reversal of 34478428635 is 53682487443.

It is not a de Polignac number, because 34478428635 - 2¹⁴ = 34478412251 is a prime.

It is a super-2 number, since 2×34478428635² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (34478428639) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 22817530 + ... + 22819040.

It is an arithmetic number, because the mean of its divisors is an integer number (719645472).

Almost surely, 2^34478428635 is an apocalyptic number.

34478428635 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

34478428635 is an abundant number, since it is smaller than the sum of its proper divisors (34607536677).

34478428635 is a wasteful number, since it uses less digits than its factorization.

34478428635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2313 (or 2310 counting only the distinct ones).

The product of its digits is 15482880, while the sum is 54.

The spelling of 34478428635 in words is "thirty-four billion, four hundred seventy-eight million, four hundred twenty-eight thousand, six hundred thirty-five".