28762136242 has 32 divisors (see below), whose sum is σ = 49618235520. Its totient is φ = 12248910720.

The previous prime is 28762136213. The next prime is 28762136243. The reversal of 28762136242 is 24263126782.

It is not an unprimeable number, because it can be changed into a prime (28762136243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1710934 + ... + 1727662.

It is an arithmetic number, because the mean of its divisors is an integer number (1550569860).

Almost surely, 2^28762136242 is an apocalyptic number.

28762136242 is a deficient number, since it is larger than the sum of its proper divisors (20856099278).

28762136242 is a wasteful number, since it uses less digits than its factorization.

28762136242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17506.

The product of its digits is 387072, while the sum is 43.

The spelling of 28762136242 in words is "twenty-eight billion, seven hundred sixty-two million, one hundred thirty-six thousand, two hundred forty-two".