28346613552 has 150 divisors (see below), whose sum is σ = 87154439988. Its totient is φ = 8892937728.

The previous prime is 28346613541. The next prime is 28346613583. The reversal of 28346613552 is 25531664382.

28346613552 is a `hidden beast` number, since 2 + 8 + 3 + 466 + 135 + 52 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 28346613498 and 28346613507.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 336703 + ... + 412385.

Almost surely, 2^28346613552 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 28346613552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43577219994).

28346613552 is an abundant number, since it is smaller than the sum of its proper divisors (58807826436).

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

28346613552 is a wasteful number, since it uses less digits than its factorization.

28346613552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75737 (or 75705 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 45.

The spelling of 28346613552 in words is "twenty-eight billion, three hundred forty-six million, six hundred thirteen thousand, five hundred fifty-two".