47022774665 has 4 divisors (see below), whose sum is σ = 56427329604. Its totient is φ = 37618219728.

The previous prime is 47022774653. The next prime is 47022774713. The reversal of 47022774665 is 56647722074.

47022774665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 34263490816 + 12759283849 = 185104^2 + 112957^2 .

It is a cyclic number.

It is not a de Polignac number, because 47022774665 - 2¹⁰ = 47022773641 is a prime.

It is a super-2 number, since 2×47022774665² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4702277462 + ... + 4702277471.

It is an arithmetic number, because the mean of its divisors is an integer number (14106832401).

Almost surely, 2^47022774665 is an apocalyptic number.

It is an amenable number.

47022774665 is a deficient number, since it is larger than the sum of its proper divisors (9404554939).

47022774665 is an equidigital number, since it uses as much as digits as its factorization.

47022774665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9404554938.

The product of its (nonzero) digits is 3951360, while the sum is 50.

The spelling of 47022774665 in words is "forty-seven billion, twenty-two million, seven hundred seventy-four thousand, six hundred sixty-five".