28377075327 has 16 divisors (see below), whose sum is σ = 38413751040. Its totient is φ = 18630920000.

The previous prime is 28377075323. The next prime is 28377075329. The reversal of 28377075327 is 72357077382.

It is a cyclic number.

It is not a de Polignac number, because 28377075327 - 2² = 28377075323 is a prime.

It is a super-2 number, since 2×28377075327² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28377075327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28377075323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144699 + ... + 278732.

It is an arithmetic number, because the mean of its divisors is an integer number (2400859440).

Almost surely, 2^28377075327 is an apocalyptic number.

28377075327 is a deficient number, since it is larger than the sum of its proper divisors (10036675713).

28377075327 is a wasteful number, since it uses less digits than its factorization.

28377075327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423774.

The product of its (nonzero) digits is 3457440, while the sum is 51.

The spelling of 28377075327 in words is "twenty-eight billion, three hundred seventy-seven million, seventy-five thousand, three hundred twenty-seven".