47878348811 has 16 divisors (see below), whose sum is σ = 49040121600. Its totient is φ = 46732476000.

The previous prime is 47878348801. The next prime is 47878348813. The reversal of 47878348811 is 11884387874.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 47878348811 - 2¹⁸ = 47878086667 is a prime.

It is a super-2 number, since 2×47878348811² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47878348813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2902136 + ... + 2918586.

It is an arithmetic number, because the mean of its divisors is an integer number (3065007600).

Almost surely, 2^47878348811 is an apocalyptic number.

47878348811 is a deficient number, since it is larger than the sum of its proper divisors (1161772789).

47878348811 is a wasteful number, since it uses less digits than its factorization.

47878348811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16930.

The product of its digits is 9633792, while the sum is 59.

The spelling of 47878348811 in words is "forty-seven billion, eight hundred seventy-eight million, three hundred forty-eight thousand, eight hundred eleven".