28037749608 has 384 divisors, whose sum is σ = 92192256000. Its totient is φ = 7600642560.

The previous prime is 28037749577. The next prime is 28037749651. The reversal of 28037749608 is 80694773082.

28037749608 is a `hidden beast` number, since 2 + 80 + 3 + 77 + 496 + 0 + 8 = 666.

It is a super-2 number, since 2×28037749608² (a number of 22 digits) contains 22 as substring.

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 95 ways as a sum of consecutive naturals, for example, 20509741 + ... + 20511107.

It is an arithmetic number, because the mean of its divisors is an integer number (240084000).

Almost surely, 2^28037749608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28037749608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46096128000).

28037749608 is an abundant number, since it is smaller than the sum of its proper divisors (64154506392).

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

28037749608 is a wasteful number, since it uses less digits than its factorization.

28037749608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1485 (or 1478 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 54.

The spelling of 28037749608 in words is "twenty-eight billion, thirty-seven million, seven hundred forty-nine thousand, six hundred eight".