28080223426 has 8 divisors (see below), whose sum is σ = 42126196284. Its totient is φ = 14038158000.

The previous prime is 28080223403. The next prime is 28080223439. The reversal of 28080223426 is 62432208082.

It can be written as a sum of positive squares in 2 ways, for example, as 28039837401 + 40386025 = 167451^2 + 6355^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 958825 + ... + 987676.

Almost surely, 2^28080223426 is an apocalyptic number.

28080223426 is a deficient number, since it is larger than the sum of its proper divisors (14045972858).

28080223426 is a wasteful number, since it uses less digits than its factorization.

28080223426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1953716.

The product of its (nonzero) digits is 73728, while the sum is 37.

The spelling of 28080223426 in words is "twenty-eight billion, eighty million, two hundred twenty-three thousand, four hundred twenty-six".