28576616842377 has 12 divisors (see below), whose sum is σ = 41277693456324. Its totient is φ = 19050912656160.

The previous prime is 28576616842351. The next prime is 28576616842399. The reversal of 28576616842377 is 77324861667582.

28576616842377 is a `hidden beast` number, since 2 + 8 + 5 + 76 + 6 + 1 + 68 + 423 + 77 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 20670307624521 + 7906309217856 = 4546461^2 + 2811816^2 .

It is not a de Polignac number, because 28576616842377 - 2¹⁴ = 28576616825993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28576616842307) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12669978 + ... + 14754035.

It is an arithmetic number, because the mean of its divisors is an integer number (3439807788027).

Almost surely, 2^{28576616842377} is an apocalyptic number.

It is an amenable number.

28576616842377 is a deficient number, since it is larger than the sum of its proper divisors (12701076613947).

28576616842377 is a wasteful number, since it uses less digits than its factorization.

28576616842377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27539800 (or 27539797 counting only the distinct ones).

The product of its digits is 1137991680, while the sum is 72.

The spelling of 28576616842377 in words is "twenty-eight trillion, five hundred seventy-six billion, six hundred sixteen million, eight hundred forty-two thousand, three hundred seventy-seven".