28287167046 has 32 divisors (see below), whose sum is σ = 58308180480. Its totient is φ = 9143762976.

The previous prime is 28287166981. The next prime is 28287167053. The reversal of 28287167046 is 64076178282.

It is a super-2 number, since 2×28287167046² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28287167046.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 429396 + ... + 490871.

It is an arithmetic number, because the mean of its divisors is an integer number (1822130640).

Almost surely, 2^28287167046 is an apocalyptic number.

28287167046 is an abundant number, since it is smaller than the sum of its proper divisors (30021013434).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28287167046 is a wasteful number, since it uses less digits than its factorization.

28287167046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920428.

The product of its (nonzero) digits is 1806336, while the sum is 51.

The spelling of 28287167046 in words is "twenty-eight billion, two hundred eighty-seven million, one hundred sixty-seven thousand, forty-six".