34815778512 has 40 divisors (see below), whose sum is σ = 90002587680. Its totient is φ = 11597281920.

The previous prime is 34815778511. The next prime is 34815778573. The reversal of 34815778512 is 21587751843.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34815778511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178539 + ... + 318602.

It is an arithmetic number, because the mean of its divisors is an integer number (2250064692).

Almost surely, 2^34815778512 is an apocalyptic number.

It is an amenable number.

34815778512 is an abundant number, since it is smaller than the sum of its proper divisors (55186809168).

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

34815778512 is a wasteful number, since it uses less digits than its factorization.

34815778512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498611 (or 498605 counting only the distinct ones).

The product of its digits is 1881600, while the sum is 51.

The spelling of 34815778512 in words is "thirty-four billion, eight hundred fifteen million, seven hundred seventy-eight thousand, five hundred twelve".