28661526362 has 16 divisors (see below), whose sum is σ = 49142097600. Its totient is φ = 12281498208.

The previous prime is 28661526331. The next prime is 28661526371. The reversal of 28661526362 is 26362516682.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77612 + ... + 251687.

It is an arithmetic number, because the mean of its divisors is an integer number (3071381100).

Almost surely, 2^28661526362 is an apocalyptic number.

28661526362 is a deficient number, since it is larger than the sum of its proper divisors (20480571238).

28661526362 is a wasteful number, since it uses less digits than its factorization.

28661526362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335525.

The product of its digits is 1244160, while the sum is 47.

The spelling of 28661526362 in words is "twenty-eight billion, six hundred sixty-one million, five hundred twenty-six thousand, three hundred sixty-two".