28077112427 has 32 divisors (see below), whose sum is σ = 34854607872. Its totient is φ = 22023840384.

The previous prime is 28077112417. The next prime is 28077112447. The reversal of 28077112427 is 72421177082.

It is not a de Polignac number, because 28077112427 - 2⁴ = 28077112411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28077112417) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7184408 + ... + 7188314.

It is an arithmetic number, because the mean of its divisors is an integer number (1089206496).

Almost surely, 2^28077112427 is an apocalyptic number.

28077112427 is a deficient number, since it is larger than the sum of its proper divisors (6777495445).

28077112427 is a wasteful number, since it uses less digits than its factorization.

28077112427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4587.

The product of its (nonzero) digits is 87808, while the sum is 41.

The spelling of 28077112427 in words is "twenty-eight billion, seventy-seven million, one hundred twelve thousand, four hundred twenty-seven".