28464667072839 has 24 divisors (see below), whose sum is σ = 42534641557200. Its totient is φ = 18321554280960.

The previous prime is 28464667072837. The next prime is 28464667072859. The reversal of 28464667072839 is 93827076646482.

It is a happy number.

28464667072839 is a `hidden beast` number, since 2 + 8 + 46 + 466 + 70 + 7 + 28 + 39 = 666.

It is not a de Polignac number, because 28464667072839 - 2¹ = 28464667072837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28464667072837) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7558359 + ... + 10679799.

It is an arithmetic number, because the mean of its divisors is an integer number (1772276731550).

Almost surely, 2^{28464667072839} is an apocalyptic number.

28464667072839 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

28464667072839 is a deficient number, since it is larger than the sum of its proper divisors (14069974484361).

28464667072839 is a wasteful number, since it uses less digits than its factorization.

28464667072839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3156415 (or 3156412 counting only the distinct ones).

The product of its (nonzero) digits is 1170505728, while the sum is 72.

The spelling of 28464667072839 in words is "twenty-eight trillion, four hundred sixty-four billion, six hundred sixty-seven million, seventy-two thousand, eight hundred thirty-nine".