28975829134 has 16 divisors (see below), whose sum is σ = 51832539648. Its totient is φ = 11878290072.

The previous prime is 28975829131. The next prime is 28975829137. The reversal of 28975829134 is 43192857982.

It is an interprime number because it is at equal distance from previous prime (28975829131) and next prime (28975829137).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28975829131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44993202 + ... + 44993845.

It is an arithmetic number, because the mean of its divisors is an integer number (3239533728).

Almost surely, 2^28975829134 is an apocalyptic number.

28975829134 is a deficient number, since it is larger than the sum of its proper divisors (22856710514).

28975829134 is a wasteful number, since it uses less digits than its factorization.

28975829134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89987079.

The product of its digits is 8709120, while the sum is 58.

The spelling of 28975829134 in words is "twenty-eight billion, nine hundred seventy-five million, eight hundred twenty-nine thousand, one hundred thirty-four".