28758053963436 has 48 divisors (see below), whose sum is σ = 77432689012224. Its totient is φ = 8136814156416.

The previous prime is 28758053963389. The next prime is 28758053963437. The reversal of 28758053963436 is 63436935085782.

It is not an unprimeable number, because it can be changed into a prime (28758053963437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1661922345 + ... + 1661939648.

It is an arithmetic number, because the mean of its divisors is an integer number (1613181021088).

Almost surely, 2^{28758053963436} is an apocalyptic number.

It is an amenable number.

28758053963436 is an abundant number, since it is smaller than the sum of its proper divisors (48674635048788).

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

28758053963436 is a wasteful number, since it uses less digits than its factorization.

28758053963436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3323862110 (or 3323862108 counting only the distinct ones).

The product of its (nonzero) digits is 783820800, while the sum is 69.

The spelling of 28758053963436 in words is "twenty-eight trillion, seven hundred fifty-eight billion, fifty-three million, nine hundred sixty-three thousand, four hundred thirty-six".