47878647601 has 2 divisors, whose sum is σ = 47878647602. Its totient is φ = 47878647600.

The previous prime is 47878647587. The next prime is 47878647631. The reversal of 47878647601 is 10674687874.

47878647601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24278314225 + 23600333376 = 155815^2 + 153624^2 .

It is a cyclic number.

It is not a de Polignac number, because 47878647601 - 2²⁵ = 47845093169 is a prime.

It is a super-2 number, since 2×47878647601² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (47878647631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23939323800 + 23939323801.

It is an arithmetic number, because the mean of its divisors is an integer number (23939323801).

Almost surely, 2^47878647601 is an apocalyptic number.

It is an amenable number.

47878647601 is a deficient number, since it is larger than the sum of its proper divisors (1).

47878647601 is an equidigital number, since it uses as much as digits as its factorization.

47878647601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12644352, while the sum is 58.

The spelling of 47878647601 in words is "forty-seven billion, eight hundred seventy-eight million, six hundred forty-seven thousand, six hundred one".