47776607905 has 8 divisors (see below), whose sum is σ = 61742077992. Its totient is φ = 35281187328.

The previous prime is 47776607897. The next prime is 47776607953. The reversal of 47776607905 is 50970667774.

It can be written as a sum of positive squares in 4 ways, for example, as 193293409 + 47583314496 = 13903^2 + 218136^2 .

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 47776607905 - 2³ = 47776607897 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 47776607905.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 367512304 + ... + 367512433.

It is an arithmetic number, because the mean of its divisors is an integer number (7717759749).

Almost surely, 2^47776607905 is an apocalyptic number.

It is an amenable number.

47776607905 is a deficient number, since it is larger than the sum of its proper divisors (13965470087).

47776607905 is a wasteful number, since it uses less digits than its factorization.

47776607905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735024755.

The product of its (nonzero) digits is 15558480, while the sum is 58.

The spelling of 47776607905 in words is "forty-seven billion, seven hundred seventy-six million, six hundred seven thousand, nine hundred five".