47526289477 has 2 divisors, whose sum is σ = 47526289478. Its totient is φ = 47526289476.

The previous prime is 47526289417. The next prime is 47526289511. The reversal of 47526289477 is 77498262574.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45576272196 + 1950017281 = 213486^2 + 44159^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47526289477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47526289417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23763144738 + 23763144739.

It is an arithmetic number, because the mean of its divisors is an integer number (23763144739).

Almost surely, 2^47526289477 is an apocalyptic number.

It is an amenable number.

47526289477 is a deficient number, since it is larger than the sum of its proper divisors (1).

47526289477 is an equidigital number, since it uses as much as digits as its factorization.

47526289477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47416320, while the sum is 61.

The spelling of 47526289477 in words is "forty-seven billion, five hundred twenty-six million, two hundred eighty-nine thousand, four hundred seventy-seven".