28904698368 has 1120 divisors, whose sum is σ = 114211190016. Its totient is φ = 7094697984.

The previous prime is 28904698321. The next prime is 28904698379. The reversal of 28904698368 is 86389640982.

28904698368 is a `hidden beast` number, since 2 + 8 + 90 + 469 + 83 + 6 + 8 = 666.

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 111 ways as a sum of consecutive naturals, for example, 781208046 + ... + 781208082.

Almost surely, 2^28904698368 is an apocalyptic number.

28904698368 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 28904698368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57105595008).

28904698368 is an abundant number, since it is smaller than the sum of its proper divisors (85306491648).

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

28904698368 is an equidigital number, since it uses as much as digits as its factorization.

28904698368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116 (or 85 counting only the distinct ones).

The product of its (nonzero) digits is 35831808, while the sum is 63.

The spelling of 28904698368 in words is "twenty-eight billion, nine hundred four million, six hundred ninety-eight thousand, three hundred sixty-eight".