10585955477 has 4 divisors (see below), whose sum is σ = 10785690540. Its totient is φ = 10386220416.

The previous prime is 10585955461. The next prime is 10585955491. The reversal of 10585955477 is 77455958501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 77455958501 = 17 ⋅4556232853.

It can be written as a sum of positive squares in 2 ways, for example, as 5517369841 + 5068585636 = 74279^2 + 71194^2 .

It is a cyclic number.

It is not a de Polignac number, because 10585955477 - 2⁴ = 10585955461 is a prime.

It is a super-2 number, since 2×10585955477² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10585955977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99867452 + ... + 99867557.

It is an arithmetic number, because the mean of its divisors is an integer number (2696422635).

Almost surely, 2^10585955477 is an apocalyptic number.

It is an amenable number.

10585955477 is a deficient number, since it is larger than the sum of its proper divisors (199735063).

10585955477 is an equidigital number, since it uses as much as digits as its factorization.

10585955477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199735062.

The product of its (nonzero) digits is 8820000, while the sum is 56.

The spelling of 10585955477 in words is "ten billion, five hundred eighty-five million, nine hundred fifty-five thousand, four hundred seventy-seven".