28758286554 has 16 divisors (see below), whose sum is σ = 57533204448. Its totient is φ = 9583323632.

The previous prime is 28758286547. The next prime is 28758286559. The reversal of 28758286554 is 45568285782.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (28758286559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 670437 + ... + 712040.

It is an arithmetic number, because the mean of its divisors is an integer number (3595825278).

Almost surely, 2^28758286554 is an apocalyptic number.

28758286554 is an abundant number, since it is smaller than the sum of its proper divisors (28774917894).

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

28758286554 is a wasteful number, since it uses less digits than its factorization.

28758286554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1385949.

The product of its digits is 43008000, while the sum is 60.

The spelling of 28758286554 in words is "twenty-eight billion, seven hundred fifty-eight million, two hundred eighty-six thousand, five hundred fifty-four".