28057227627401 has 32 divisors (see below), whose sum is σ = 34429224503808. Its totient is φ = 22316213698560.

The previous prime is 28057227627397. The next prime is 28057227627413. The reversal of 28057227627401 is 10472672275082.

It is a cyclic number.

It is not a de Polignac number, because 28057227627401 - 2² = 28057227627397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28057227627301) 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, 23328716 + ... + 24501906.

It is an arithmetic number, because the mean of its divisors is an integer number (1075913265744).

Almost surely, 2^{28057227627401} is an apocalyptic number.

It is an amenable number.

28057227627401 is a deficient number, since it is larger than the sum of its proper divisors (6371996876407).

28057227627401 is a wasteful number, since it uses less digits than its factorization.

28057227627401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176041.

The product of its (nonzero) digits is 5268480, while the sum is 53.

The spelling of 28057227627401 in words is "twenty-eight trillion, fifty-seven billion, two hundred twenty-seven million, six hundred twenty-seven thousand, four hundred one".