28137625626 has 16 divisors (see below), whose sum is σ = 61391183328. Its totient is φ = 8526553200.

The previous prime is 28137625613. The next prime is 28137625643. The reversal of 28137625626 is 62652673182.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213163765 + ... + 213163896.

It is an arithmetic number, because the mean of its divisors is an integer number (3836948958).

Almost surely, 2^28137625626 is an apocalyptic number.

28137625626 is an abundant number, since it is smaller than the sum of its proper divisors (33253557702).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28137625626 is a wasteful number, since it uses less digits than its factorization.

28137625626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426327677.

The product of its digits is 1451520, while the sum is 48.

The spelling of 28137625626 in words is "twenty-eight billion, one hundred thirty-seven million, six hundred twenty-five thousand, six hundred twenty-six".