34520874487 has 4 divisors (see below), whose sum is σ = 37659135816. Its totient is φ = 31382613160.

The previous prime is 34520874481. The next prime is 34520874503. The reversal of 34520874487 is 78447802543.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 34520874487 - 2⁷ = 34520874359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34520874481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1569130648 + ... + 1569130669.

It is an arithmetic number, because the mean of its divisors is an integer number (9414783954).

Almost surely, 2^34520874487 is an apocalyptic number.

34520874487 is a deficient number, since it is larger than the sum of its proper divisors (3138261329).

34520874487 is a wasteful number, since it uses less digits than its factorization.

34520874487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3138261328.

The product of its (nonzero) digits is 6021120, while the sum is 52.

The spelling of 34520874487 in words is "thirty-four billion, five hundred twenty million, eight hundred seventy-four thousand, four hundred eighty-seven".