47475572647777 has 32 divisors (see below), whose sum is σ = 50307637248000. Its totient is φ = 44677646798400.

The previous prime is 47475572647751. The next prime is 47475572647787. The reversal of 47475572647777 is 77774627557474.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47475572647777 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47475572647697 and 47475572647706.

It is not an unprimeable number, because it can be changed into a prime (47475572647747) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8269562127 + ... + 8269567867.

It is an arithmetic number, because the mean of its divisors is an integer number (1572113664000).

Almost surely, 2^{47475572647777} is an apocalyptic number.

It is an amenable number.

47475572647777 is a deficient number, since it is larger than the sum of its proper divisors (2832064600223).

47475572647777 is a wasteful number, since it uses less digits than its factorization.

47475572647777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9157.

The product of its digits is 15812025600, while the sum is 79.

The spelling of 47475572647777 in words is "forty-seven trillion, four hundred seventy-five billion, five hundred seventy-two million, six hundred forty-seven thousand, seven hundred seventy-seven".