28114198148 has 6 divisors (see below), whose sum is σ = 49199846766. Its totient is φ = 14057099072.

The previous prime is 28114198093. The next prime is 28114198159. The reversal of 28114198148 is 84189141182.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 16488614464 + 11625583684 = 128408^2 + 107822^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3514274765 + ... + 3514274772.

It is an arithmetic number, because the mean of its divisors is an integer number (8199974461).

Almost surely, 2^28114198148 is an apocalyptic number.

It is an amenable number.

28114198148 is a deficient number, since it is larger than the sum of its proper divisors (21085648618).

28114198148 is a wasteful number, since it uses less digits than its factorization.

28114198148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7028549541 (or 7028549539 counting only the distinct ones).

The product of its digits is 147456, while the sum is 47.

The spelling of 28114198148 in words is "twenty-eight billion, one hundred fourteen million, one hundred ninety-eight thousand, one hundred forty-eight".