47826091387 has 2 divisors, whose sum is σ = 47826091388. Its totient is φ = 47826091386.

The previous prime is 47826091363. The next prime is 47826091457. The reversal of 47826091387 is 78319062874.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47826091387 is a prime.

It is not a weakly prime, because it can be changed into another prime (47826091987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23913045693 + 23913045694.

It is an arithmetic number, because the mean of its divisors is an integer number (23913045694).

Almost surely, 2^47826091387 is an apocalyptic number.

47826091387 is a deficient number, since it is larger than the sum of its proper divisors (1).

47826091387 is an equidigital number, since it uses as much as digits as its factorization.

47826091387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4064256, while the sum is 55.

The spelling of 47826091387 in words is "forty-seven billion, eight hundred twenty-six million, ninety-one thousand, three hundred eighty-seven".