47693920977 has 12 divisors (see below), whose sum is σ = 70020584244. Its totient is φ = 31274701920.

The previous prime is 47693920969. The next prime is 47693920987. The reversal of 47693920977 is 77902939674.

47693920977 is a `hidden beast` number, since 476 + 9 + 3 + 92 + 0 + 9 + 77 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 16923147921 + 30770773056 = 130089^2 + 175416^2 .

It is not a de Polignac number, because 47693920977 - 2³ = 47693920969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47693920957) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43436538 + ... + 43437635.

It is an arithmetic number, because the mean of its divisors is an integer number (5835048687).

Almost surely, 2^47693920977 is an apocalyptic number.

It is an amenable number.

47693920977 is a deficient number, since it is larger than the sum of its proper divisors (22326663267).

47693920977 is a wasteful number, since it uses less digits than its factorization.

47693920977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86874240 (or 86874237 counting only the distinct ones).

The product of its (nonzero) digits is 36006768, while the sum is 63.

The spelling of 47693920977 in words is "forty-seven billion, six hundred ninety-three million, nine hundred twenty thousand, nine hundred seventy-seven".