28745322354782 has 32 divisors (see below), whose sum is σ = 47222329540320. Its totient is φ = 13014800711680.

The previous prime is 28745322354769. The next prime is 28745322354797.

28745322354782 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241236194 + ... + 241355322.

It is an arithmetic number, because the mean of its divisors is an integer number (1475697798135).

Almost surely, 2^{28745322354782} is an apocalyptic number.

28745322354782 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28745322354782 is a deficient number, since it is larger than the sum of its proper divisors (18477007185538).

28745322354782 is a wasteful number, since it uses less digits than its factorization.

28745322354782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162076.

The product of its digits is 180633600, while the sum is 62.

The spelling of 28745322354782 in words is "twenty-eight trillion, seven hundred forty-five billion, three hundred twenty-two million, three hundred fifty-four thousand, seven hundred eighty-two".