28619108659008 has 168 divisors, whose sum is σ = 93758967826368. Its totient is φ = 8176131698688.

The previous prime is 28619108658979. The next prime is 28619108659073. The reversal of 28619108659008 is 80095680191682.

28619108659008 is a `hidden beast` number, since 2 + 8 + 619 + 1 + 0 + 8 + 6 + 5 + 9 + 0 + 0 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (168).

It is a super-2 number, since 2×28619108659008² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44000935 + ... + 44646617.

Almost surely, 2^{28619108659008} is an apocalyptic number.

28619108659008 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28619108659008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46879483913184).

28619108659008 is an abundant number, since it is smaller than the sum of its proper divisors (65139859167360).

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

28619108659008 is a wasteful number, since it uses less digits than its factorization.

28619108659008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656701 (or 656688 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 63.

The spelling of 28619108659008 in words is "twenty-eight trillion, six hundred nineteen billion, one hundred eight million, six hundred fifty-nine thousand, eight".