47297772817 has 8 divisors (see below), whose sum is σ = 49003676672. Its totient is φ = 45603129600.

The previous prime is 47297772811. The next prime is 47297772829. The reversal of 47297772817 is 71827779274.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47297772817 - 2¹¹ = 47297770769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47297772811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2806608 + ... + 2823409.

It is an arithmetic number, because the mean of its divisors is an integer number (6125459584).

Almost surely, 2^47297772817 is an apocalyptic number.

It is an amenable number.

47297772817 is a deficient number, since it is larger than the sum of its proper divisors (1705903855).

47297772817 is a wasteful number, since it uses less digits than its factorization.

47297772817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5630319.

The product of its digits is 19361664, while the sum is 61.

The spelling of 47297772817 in words is "forty-seven billion, two hundred ninety-seven million, seven hundred seventy-two thousand, eight hundred seventeen".