47855455877 has 2 divisors, whose sum is σ = 47855455878. Its totient is φ = 47855455876.

The previous prime is 47855455861. The next prime is 47855455903. The reversal of 47855455877 is 77855455874.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38931630721 + 8923825156 = 197311^2 + 94466^2 .

It is a cyclic number.

It is not a de Polignac number, because 47855455877 - 2⁴ = 47855455861 is a prime.

It is a super-3 number, since 3×47855455877³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47855454877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23927727938 + 23927727939.

It is an arithmetic number, because the mean of its divisors is an integer number (23927727939).

Almost surely, 2^47855455877 is an apocalyptic number.

It is an amenable number.

47855455877 is a deficient number, since it is larger than the sum of its proper divisors (1).

47855455877 is an equidigital number, since it uses as much as digits as its factorization.

47855455877 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 219520000, while the sum is 65.

The spelling of 47855455877 in words is "forty-seven billion, eight hundred fifty-five million, four hundred fifty-five thousand, eight hundred seventy-seven".