102771536947 has 2 divisors, whose sum is σ = 102771536948. Its totient is φ = 102771536946.

The previous prime is 102771536909. The next prime is 102771536969. The reversal of 102771536947 is 749635177201.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102771536947 - 2³⁵ = 68411798579 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102771536894 and 102771536903.

It is not a weakly prime, because it can be changed into another prime (102771236947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51385768473 + 51385768474.

It is an arithmetic number, because the mean of its divisors is an integer number (51385768474).

Almost surely, 2^102771536947 is an apocalyptic number.

102771536947 is a deficient number, since it is larger than the sum of its proper divisors (1).

102771536947 is an equidigital number, since it uses as much as digits as its factorization.

102771536947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2222640, while the sum is 52.

The spelling of 102771536947 in words is "one hundred two billion, seven hundred seventy-one million, five hundred thirty-six thousand, nine hundred forty-seven".