10457777765 has 4 divisors (see below), whose sum is σ = 12549333324. Its totient is φ = 8366222208.

The previous prime is 10457777711. The next prime is 10457777767. The reversal of 10457777765 is 56777775401.

10457777765 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3815038756 + 6642739009 = 61766^2 + 81503^2 .

It is a cyclic number.

It is not a de Polignac number, because 10457777765 - 2¹⁶ = 10457712229 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10457777765.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10457777767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1045777772 + ... + 1045777781.

It is an arithmetic number, because the mean of its divisors is an integer number (3137333331).

Almost surely, 2^10457777765 is an apocalyptic number.

It is an amenable number.

10457777765 is a deficient number, since it is larger than the sum of its proper divisors (2091555559).

10457777765 is an equidigital number, since it uses as much as digits as its factorization.

10457777765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2091555558.

The product of its (nonzero) digits is 10084200, while the sum is 56.

The spelling of 10457777765 in words is "ten billion, four hundred fifty-seven million, seven hundred seventy-seven thousand, seven hundred sixty-five".