34478257814 has 32 divisors (see below), whose sum is σ = 69438733056. Its totient is φ = 12399772320.

The previous prime is 34478257777. The next prime is 34478257817. The reversal of 34478257814 is 41875287443.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34478257817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8608952 + ... + 8612955.

It is an arithmetic number, because the mean of its divisors is an integer number (2169960408).

Almost surely, 2^34478257814 is an apocalyptic number.

34478257814 is an abundant number, since it is smaller than the sum of its proper divisors (34960475242).

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

34478257814 is a wasteful number, since it uses less digits than its factorization.

34478257814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17221940.

The product of its digits is 6021120, while the sum is 53.

It can be divided in two parts, 34478 and 257814, that added together give a palindrome (292292).

The spelling of 34478257814 in words is "thirty-four billion, four hundred seventy-eight million, two hundred fifty-seven thousand, eight hundred fourteen".