28297754154 has 24 divisors (see below), whose sum is σ = 63426001860. Its totient is φ = 9107323008.

The previous prime is 28297754153. The next prime is 28297754263. The reversal of 28297754154 is 45145779282.

28297754154 is a `hidden beast` number, since 2 + 8 + 2 + 97 + 7 + 541 + 5 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 25000353225 + 3297400929 = 158115^2 + 57423^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 28297754154.

It is not an unprimeable number, because it can be changed into a prime (28297754153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27104607 + ... + 27105650.

Almost surely, 2^28297754154 is an apocalyptic number.

28297754154 is an abundant number, since it is smaller than the sum of its proper divisors (35128247706).

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

28297754154 is a wasteful number, since it uses less digits than its factorization.

28297754154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54210294 (or 54210291 counting only the distinct ones).

The product of its digits is 5644800, while the sum is 54.

The spelling of 28297754154 in words is "twenty-eight billion, two hundred ninety-seven million, seven hundred fifty-four thousand, one hundred fifty-four".