34284780247 has 4 divisors (see below), whose sum is σ = 34287593760. Its totient is φ = 34281966736.

The previous prime is 34284780239. The next prime is 34284780251. The reversal of 34284780247 is 74208748243.

It is a happy number.

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 34284780247 - 2³ = 34284780239 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 34284780247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34284780217) 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, 1388398 + ... + 1412875.

It is an arithmetic number, because the mean of its divisors is an integer number (8571898440).

Almost surely, 2^34284780247 is an apocalyptic number.

34284780247 is a deficient number, since it is larger than the sum of its proper divisors (2813513).

34284780247 is a wasteful number, since it uses less digits than its factorization.

34284780247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2813512.

The product of its (nonzero) digits is 2408448, while the sum is 49.

The spelling of 34284780247 in words is "thirty-four billion, two hundred eighty-four million, seven hundred eighty thousand, two hundred forty-seven".