28761959862 has 48 divisors (see below), whose sum is σ = 65311215840. Its totient is φ = 9130404096.

The previous prime is 28761959843. The next prime is 28761959869. The reversal of 28761959862 is 26895916782.

28761959862 is a `hidden beast` number, since 2 + 8 + 7 + 619 + 5 + 9 + 8 + 6 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 28761959862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28761959869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56883 + ... + 246494.

It is an arithmetic number, because the mean of its divisors is an integer number (1360650330).

Almost surely, 2^28761959862 is an apocalyptic number.

28761959862 is an abundant number, since it is smaller than the sum of its proper divisors (36549255978).

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

28761959862 is a wasteful number, since it uses less digits than its factorization.

28761959862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303637 (or 303634 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 63.

The spelling of 28761959862 in words is "twenty-eight billion, seven hundred sixty-one million, nine hundred fifty-nine thousand, eight hundred sixty-two".