28514533077 has 6 divisors (see below), whose sum is σ = 41187658902. Its totient is φ = 19009688712.

The previous prime is 28514533067. The next prime is 28514533087. The reversal of 28514533077 is 77033541582.

28514533077 is a `hidden beast` number, since 285 + 14 + 53 + 307 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (28514533067) and next prime (28514533087).

It can be written as a sum of positive squares in only one way, i.e., 20053108881 + 8461424196 = 141609^2 + 91986^2 .

It is not a de Polignac number, because 28514533077 - 2⁶ = 28514533013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28514533067) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1584140718 + ... + 1584140735.

It is an arithmetic number, because the mean of its divisors is an integer number (6864609817).

Almost surely, 2^28514533077 is an apocalyptic number.

It is an amenable number.

28514533077 is a deficient number, since it is larger than the sum of its proper divisors (12673125825).

28514533077 is a wasteful number, since it uses less digits than its factorization.

28514533077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3168281459 (or 3168281456 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 45.

The spelling of 28514533077 in words is "twenty-eight billion, five hundred fourteen million, five hundred thirty-three thousand, seventy-seven".