10547081977 has 2 divisors, whose sum is σ = 10547081978. Its totient is φ = 10547081976.

The previous prime is 10547081969. The next prime is 10547082019. The reversal of 10547081977 is 77918074501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10266552976 + 280529001 = 101324^2 + 16749^2 .

It is an emirp because it is prime and its reverse (77918074501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10547081977 - 2³ = 10547081969 is a prime.

It is a super-2 number, since 2×10547081977² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10547081977.

It is not a weakly prime, because it can be changed into another prime (10547081947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5273540988 + 5273540989.

It is an arithmetic number, because the mean of its divisors is an integer number (5273540989).

Almost surely, 2^10547081977 is an apocalyptic number.

It is an amenable number.

10547081977 is a deficient number, since it is larger than the sum of its proper divisors (1).

10547081977 is an equidigital number, since it uses as much as digits as its factorization.

10547081977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 493920, while the sum is 49.

The spelling of 10547081977 in words is "ten billion, five hundred forty-seven million, eighty-one thousand, nine hundred seventy-seven".