28354663350 has 288 divisors, whose sum is σ = 86671952640. Its totient is φ = 6593114880.

The previous prime is 28354663289. The next prime is 28354663399. The reversal of 28354663350 is 5336645382.

28354663350 is a `hidden beast` number, since 2 + 8 + 3 + 5 + 4 + 6 + 633 + 5 + 0 = 666.

28354663350 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 28354663296 and 28354663305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 11166381 + ... + 11168919.

It is an arithmetic number, because the mean of its divisors is an integer number (300944280).

Almost surely, 2^28354663350 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28354663350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43335976320).

28354663350 is an abundant number, since it is smaller than the sum of its proper divisors (58317289290).

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

28354663350 is a wasteful number, since it uses less digits than its factorization.

28354663350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2676 (or 2668 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 45.

The spelling of 28354663350 in words is "twenty-eight billion, three hundred fifty-four million, six hundred sixty-three thousand, three hundred fifty".