28167676977 has 8 divisors (see below), whose sum is σ = 40971166560. Its totient is φ = 17071319360.

The previous prime is 28167676969. The next prime is 28167676981. The reversal of 28167676977 is 77967676182.

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 28167676977 - 2³ = 28167676969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28167676987) 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 7 ways as a sum of consecutive naturals, for example, 426782952 + ... + 426783017.

It is an arithmetic number, because the mean of its divisors is an integer number (5121395820).

Almost surely, 2^28167676977 is an apocalyptic number.

It is an amenable number.

28167676977 is a deficient number, since it is larger than the sum of its proper divisors (12803489583).

28167676977 is a wasteful number, since it uses less digits than its factorization.

28167676977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853565983.

The product of its digits is 74680704, while the sum is 66.

The spelling of 28167676977 in words is "twenty-eight billion, one hundred sixty-seven million, six hundred seventy-six thousand, nine hundred seventy-seven".