636085447047 has 8 divisors (see below), whose sum is σ = 942348810480. Its totient is φ = 424056964680.

The previous prime is 636085447033. The next prime is 636085447061. The reversal of 636085447047 is 740744580636.

636085447047 is a `hidden beast` number, since 63 + 60 + 8 + 54 + 470 + 4 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (636085447033) and next prime (636085447061).

It is not a de Polignac number, because 636085447047 - 2⁸ = 636085446791 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 636085446984 and 636085447002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (636085447147) 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, 11779360104 + ... + 11779360157.

It is an arithmetic number, because the mean of its divisors is an integer number (117793601310).

Almost surely, 2^636085447047 is an apocalyptic number.

636085447047 is a deficient number, since it is larger than the sum of its proper divisors (306263363433).

636085447047 is a wasteful number, since it uses less digits than its factorization.

636085447047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23558720270 (or 23558720264 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 54.

The spelling of 636085447047 in words is "six hundred thirty-six billion, eighty-five million, four hundred forty-seven thousand, forty-seven".