28662232151 has 16 divisors (see below), whose sum is σ = 33884229120. Its totient is φ = 23731639200.

The previous prime is 28662232139. The next prime is 28662232163. The reversal of 28662232151 is 15123226682.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (28662232139) and next prime (28662232163).

It is a cyclic number.

It is not a de Polignac number, because 28662232151 - 2¹⁰ = 28662231127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28662232171) 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, 362075 + ... + 434076.

It is an arithmetic number, because the mean of its divisors is an integer number (2117764320).

Almost surely, 2^28662232151 is an apocalyptic number.

28662232151 is a deficient number, since it is larger than the sum of its proper divisors (5221996969).

28662232151 is a wasteful number, since it uses less digits than its factorization.

28662232151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796334.

The product of its digits is 69120, while the sum is 38.

The spelling of 28662232151 in words is "twenty-eight billion, six hundred sixty-two million, two hundred thirty-two thousand, one hundred fifty-one".