28547376965 has 8 divisors (see below), whose sum is σ = 34257951000. Its totient is φ = 22837169152.

The previous prime is 28547376947. The next prime is 28547377003. The reversal of 28547376965 is 56967374582.

It can be written as a sum of positive squares in 4 ways, for example, as 8848412356 + 19698964609 = 94066^2 + 140353^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28547376965 - 2¹² = 28547372869 is a prime.

It is a super-2 number, since 2×28547376965² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28547376898 and 28547376907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127661 + ... + 270909.

It is an arithmetic number, because the mean of its divisors is an integer number (4282243875).

Almost surely, 2^28547376965 is an apocalyptic number.

It is an amenable number.

28547376965 is a deficient number, since it is larger than the sum of its proper divisors (5710574035).

28547376965 is a wasteful number, since it uses less digits than its factorization.

28547376965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183111.

The product of its digits is 76204800, while the sum is 62.

The spelling of 28547376965 in words is "twenty-eight billion, five hundred forty-seven million, three hundred seventy-six thousand, nine hundred sixty-five".