28906796268 has 240 divisors, whose sum is σ = 90771729664. Its totient is φ = 7848005760.

The previous prime is 28906796249. The next prime is 28906796279. The reversal of 28906796268 is 86269760982.

28906796268 is a `hidden beast` number, since 289 + 0 + 6 + 7 + 96 + 268 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3604383 + ... + 3612393.

Almost surely, 2^28906796268 is an apocalyptic number.

28906796268 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 28906796268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45385864832).

28906796268 is an abundant number, since it is smaller than the sum of its proper divisors (61864933396).

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

28906796268 is a wasteful number, since it uses less digits than its factorization.

28906796268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8114 (or 8103 counting only the distinct ones).

The product of its (nonzero) digits is 31352832, while the sum is 63.

The spelling of 28906796268 in words is "twenty-eight billion, nine hundred six million, seven hundred ninety-six thousand, two hundred sixty-eight".