47777298005 has 4 divisors (see below), whose sum is σ = 57332757612. Its totient is φ = 38221838400.

The previous prime is 47777298001. The next prime is 47777298047. The reversal of 47777298005 is 50089277774.

It is a happy number.

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 36559734436 + 11217563569 = 191206^2 + 105913^2 .

It is not a de Polignac number, because 47777298005 - 2² = 47777298001 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 (47777298001) 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, 4777729796 + ... + 4777729805.

It is an arithmetic number, because the mean of its divisors is an integer number (14333189403).

Almost surely, 2^47777298005 is an apocalyptic number.

It is an amenable number.

47777298005 is a deficient number, since it is larger than the sum of its proper divisors (9555459607).

47777298005 is an equidigital number, since it uses as much as digits as its factorization.

47777298005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9555459606.

The product of its (nonzero) digits is 6914880, while the sum is 56.

The spelling of 47777298005 in words is "forty-seven billion, seven hundred seventy-seven million, two hundred ninety-eight thousand, five".