28662958134 has 24 divisors (see below), whose sum is σ = 63698227320. Its totient is φ = 9553904676.

The previous prime is 28662958123. The next prime is 28662958151. The reversal of 28662958134 is 43185926682.

28662958134 is a `hidden beast` number, since 2 + 8 + 6 + 6 + 29 + 581 + 34 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1232587 + ... + 1255625.

It is an arithmetic number, because the mean of its divisors is an integer number (2654092805).

Almost surely, 2^28662958134 is an apocalyptic number.

28662958134 is an abundant number, since it is smaller than the sum of its proper divisors (35035269186).

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

28662958134 is an frugal number, since it uses more digits than its factorization.

28662958134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46089 (or 23044 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 54.

Multiplying 28662958134 by its sum of digits (54), we get a square (1547799739236 = 1244106²).

28662958134 divided by its sum of digits (54) gives a square (530795521 = 23039²).

The spelling of 28662958134 in words is "twenty-eight billion, six hundred sixty-two million, nine hundred fifty-eight thousand, one hundred thirty-four".