34279747287 has 4 divisors (see below), whose sum is σ = 45706329720. Its totient is φ = 22853164856.

The previous prime is 34279747261. The next prime is 34279747297. The reversal of 34279747287 is 78274797243.

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 34279747287 - 2¹¹ = 34279745239 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 34279747287.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34279747217) 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, 5713291212 + ... + 5713291217.

It is an arithmetic number, because the mean of its divisors is an integer number (11426582430).

Almost surely, 2^34279747287 is an apocalyptic number.

34279747287 is a deficient number, since it is larger than the sum of its proper divisors (11426582433).

34279747287 is a wasteful number, since it uses less digits than its factorization.

34279747287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11426582432.

The product of its digits is 33191424, while the sum is 60.

The spelling of 34279747287 in words is "thirty-four billion, two hundred seventy-nine million, seven hundred forty-seven thousand, two hundred eighty-seven".