28343515662 has 96 divisors (see below), whose sum is σ = 76758649344. Its totient is φ = 7343265600.

The previous prime is 28343515657. The next prime is 28343515691. The reversal of 28343515662 is 26651534382.

28343515662 is a `hidden beast` number, since 2 + 8 + 3 + 435 + 156 + 62 = 666.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 524487 + ... + 575997.

It is an arithmetic number, because the mean of its divisors is an integer number (799569264).

Almost surely, 2^28343515662 is an apocalyptic number.

28343515662 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 28343515662, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38379324672).

28343515662 is an abundant number, since it is smaller than the sum of its proper divisors (48415133682).

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

28343515662 is a wasteful number, since it uses less digits than its factorization.

28343515662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51934 (or 51931 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 45.

The spelling of 28343515662 in words is "twenty-eight billion, three hundred forty-three million, five hundred fifteen thousand, six hundred sixty-two".