34728838557 has 16 divisors (see below), whose sum is σ = 52961167872. Its totient is φ = 19829663280.

The previous prime is 34728838499. The next prime is 34728838561. The reversal of 34728838557 is 75583882743.

It is not a de Polignac number, because 34728838557 - 2⁷ = 34728838429 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 34728838557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34728838577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 613383 + ... + 667604.

It is an arithmetic number, because the mean of its divisors is an integer number (3310072992).

Almost surely, 2^34728838557 is an apocalyptic number.

It is an amenable number.

34728838557 is a deficient number, since it is larger than the sum of its proper divisors (18232329315).

34728838557 is a wasteful number, since it uses less digits than its factorization.

34728838557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282288.

The product of its digits is 45158400, while the sum is 60.

The spelling of 34728838557 in words is "thirty-four billion, seven hundred twenty-eight million, eight hundred thirty-eight thousand, five hundred fifty-seven".