28907382033378 has 64 divisors (see below), whose sum is σ = 64295559820800. Its totient is φ = 9627257203200.

The previous prime is 28907382033373. The next prime is 28907382033427. The reversal of 28907382033378 is 87333028370982.

28907382033378 is a `hidden beast` number, since 2 + 8 + 90 + 7 + 3 + 8 + 203 + 337 + 8 = 666.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (28907382033373) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 352914228 + ... + 352996128.

It is an arithmetic number, because the mean of its divisors is an integer number (1004618122200).

Almost surely, 2^{28907382033378} is an apocalyptic number.

28907382033378 is an abundant number, since it is smaller than the sum of its proper divisors (35388177787422).

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

28907382033378 is a wasteful number, since it uses less digits than its factorization.

28907382033378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87624 (or 87618 counting only the distinct ones).

The product of its (nonzero) digits is 73156608, while the sum is 63.

The spelling of 28907382033378 in words is "twenty-eight trillion, nine hundred seven billion, three hundred eighty-two million, thirty-three thousand, three hundred seventy-eight".