34878414638 has 16 divisors (see below), whose sum is σ = 52847056800. Its totient is φ = 17262804000.

The previous prime is 34878414631. The next prime is 34878414661. The reversal of 34878414638 is 83641487843.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34878414631) 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, 1074608 + ... + 1106588.

It is an arithmetic number, because the mean of its divisors is an integer number (3302941050).

Almost surely, 2^34878414638 is an apocalyptic number.

34878414638 is a deficient number, since it is larger than the sum of its proper divisors (17968642162).

34878414638 is a wasteful number, since it uses less digits than its factorization.

34878414638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37483.

The product of its digits is 12386304, while the sum is 56.

The spelling of 34878414638 in words is "thirty-four billion, eight hundred seventy-eight million, four hundred fourteen thousand, six hundred thirty-eight".