34470138678 has 16 divisors (see below), whose sum is σ = 68950284480. Its totient is φ = 11488378376.

The previous prime is 34470138629. The next prime is 34470138679. The reversal of 34470138678 is 87683107443.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 34470138678.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34470138679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 371808 + ... + 455171.

It is an arithmetic number, because the mean of its divisors is an integer number (4309392780).

Almost surely, 2^34470138678 is an apocalyptic number.

34470138678 is an abundant number, since it is smaller than the sum of its proper divisors (34480145802).

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

34470138678 is a wasteful number, since it uses less digits than its factorization.

34470138678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833931.

The product of its (nonzero) digits is 2709504, while the sum is 51.

The spelling of 34470138678 in words is "thirty-four billion, four hundred seventy million, one hundred thirty-eight thousand, six hundred seventy-eight".