28784682270147 has 64 divisors (see below), whose sum is σ = 41018150670336. Its totient is φ = 17913212190720.

The previous prime is 28784682270137. The next prime is 28784682270167. The reversal of 28784682270147 is 74107228648782.

It is not a de Polignac number, because 28784682270147 - 2¹⁵ = 28784682237379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28784682270137) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3023278747 + ... + 3023288267.

It is an arithmetic number, because the mean of its divisors is an integer number (640908604224).

Almost surely, 2^{28784682270147} is an apocalyptic number.

28784682270147 is a deficient number, since it is larger than the sum of its proper divisors (12233468400189).

28784682270147 is a wasteful number, since it uses less digits than its factorization.

28784682270147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12180.

The product of its (nonzero) digits is 134873088, while the sum is 66.

The spelling of 28784682270147 in words is "twenty-eight trillion, seven hundred eighty-four billion, six hundred eighty-two million, two hundred seventy thousand, one hundred forty-seven".