28427237629155 has 96 divisors (see below), whose sum is σ = 50669640253440. Its totient is φ = 14737367473920.

The previous prime is 28427237629121. The next prime is 28427237629181. The reversal of 28427237629155 is 55192673272482.

28427237629155 is a `hidden beast` number, since 2 + 8 + 4 + 272 + 3 + 76 + 291 + 5 + 5 = 666.

It is not a de Polignac number, because 28427237629155 - 2¹³ = 28427237620963 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28427237629092 and 28427237629101.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 217716240 + ... + 217846770.

It is an arithmetic number, because the mean of its divisors is an integer number (527808752640).

Almost surely, 2^{28427237629155} is an apocalyptic number.

28427237629155 is a deficient number, since it is larger than the sum of its proper divisors (22242402624285).

28427237629155 is a wasteful number, since it uses less digits than its factorization.

28427237629155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131441 (or 131438 counting only the distinct ones).

The product of its digits is 101606400, while the sum is 63.

The spelling of 28427237629155 in words is "twenty-eight trillion, four hundred twenty-seven billion, two hundred thirty-seven million, six hundred twenty-nine thousand, one hundred fifty-five".