47999999999977 has 2 divisors, whose sum is σ = 47999999999978. Its totient is φ = 47999999999976.

The previous prime is 47999999999969. The next prime is 48000000000023. The reversal of 47999999999977 is 77999999999974.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33950479503616 + 14049520496361 = 5826704^2 + 3748269^2 .

It is a cyclic number.

It is not a de Polignac number, because 47999999999977 - 2³ = 47999999999969 is a prime.

It is not a weakly prime, because it can be changed into another prime (47999999999927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23999999999988 + 23999999999989.

It is an arithmetic number, because the mean of its divisors is an integer number (23999999999989).

Almost surely, 2^{47999999999977} is an apocalyptic number.

It is an amenable number.

47999999999977 is a deficient number, since it is larger than the sum of its proper divisors (1).

47999999999977 is an equidigital number, since it uses as much as digits as its factorization.

47999999999977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4783868198172, while the sum is 115.

The spelling of 47999999999977 in words is "forty-seven trillion, nine hundred ninety-nine billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred seventy-seven".