28428293302 has 4 divisors (see below), whose sum is σ = 42642439956. Its totient is φ = 14214146650.

The previous prime is 28428293291. The next prime is 28428293303. The reversal of 28428293302 is 20339282482.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20339282482 = 2 ⋅10169641241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28428293303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7107073324 + ... + 7107073327.

It is an arithmetic number, because the mean of its divisors is an integer number (10660609989).

Almost surely, 2^28428293302 is an apocalyptic number.

28428293302 is a deficient number, since it is larger than the sum of its proper divisors (14214146654).

28428293302 is a wasteful number, since it uses less digits than its factorization.

28428293302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14214146653.

The product of its (nonzero) digits is 331776, while the sum is 43.

The spelling of 28428293302 in words is "twenty-eight billion, four hundred twenty-eight million, two hundred ninety-three thousand, three hundred two".