47687124897 has 20 divisors (see below), whose sum is σ = 71259101716. Its totient is φ = 31781250720.

The previous prime is 47687124889. The next prime is 47687124923. The reversal of 47687124897 is 79842178674.

47687124897 is a `hidden beast` number, since 4 + 76 + 87 + 1 + 2 + 489 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5565309201 + 42121815696 = 74601^2 + 205236^2 .

It is not a de Polignac number, because 47687124897 - 2³ = 47687124889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47687124817) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 165123 + ... + 350199.

Almost surely, 2^47687124897 is an apocalyptic number.

It is an amenable number.

47687124897 is a deficient number, since it is larger than the sum of its proper divisors (23571976819).

47687124897 is a wasteful number, since it uses less digits than its factorization.

47687124897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188270 (or 188261 counting only the distinct ones).

The product of its digits is 37933056, while the sum is 63.

The spelling of 47687124897 in words is "forty-seven billion, six hundred eighty-seven million, one hundred twenty-four thousand, eight hundred ninety-seven".