28674754178 has 32 divisors (see below), whose sum is σ = 49881000960. Its totient is φ = 12108897360.

The previous prime is 28674754177. The next prime is 28674754237. The reversal of 28674754178 is 87145747682.

It is not an unprimeable number, because it can be changed into a prime (28674754177) 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, 407843 + ... + 472953.

It is an arithmetic number, because the mean of its divisors is an integer number (1558781280).

Almost surely, 2^28674754178 is an apocalyptic number.

28674754178 is a deficient number, since it is larger than the sum of its proper divisors (21206246782).

28674754178 is a wasteful number, since it uses less digits than its factorization.

28674754178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65582.

The product of its digits is 21073920, while the sum is 59.

The spelling of 28674754178 in words is "twenty-eight billion, six hundred seventy-four million, seven hundred fifty-four thousand, one hundred seventy-eight".