47856028739 has 2 divisors, whose sum is σ = 47856028740. Its totient is φ = 47856028738.

The previous prime is 47856028711. The next prime is 47856028751. The reversal of 47856028739 is 93782065874.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47856028739 - 2²⁸ = 47587593283 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (47856028709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23928014369 + 23928014370.

It is an arithmetic number, because the mean of its divisors is an integer number (23928014370).

Almost surely, 2^47856028739 is an apocalyptic number.

47856028739 is a deficient number, since it is larger than the sum of its proper divisors (1).

47856028739 is an equidigital number, since it uses as much as digits as its factorization.

47856028739 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20321280, while the sum is 59.

The spelling of 47856028739 in words is "forty-seven billion, eight hundred fifty-six million, twenty-eight thousand, seven hundred thirty-nine".