28300071802 has 32 divisors (see below), whose sum is σ = 46431166464. Its totient is φ = 12878611200.

The previous prime is 28300071781. The next prime is 28300071809. The reversal of 28300071802 is 20817000382.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (28300071809) 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 15 ways as a sum of consecutive naturals, for example, 1541308 + ... + 1559560.

It is an arithmetic number, because the mean of its divisors is an integer number (1450973952).

Almost surely, 2^28300071802 is an apocalyptic number.

28300071802 is a deficient number, since it is larger than the sum of its proper divisors (18131094662).

28300071802 is a wasteful number, since it uses less digits than its factorization.

28300071802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19774.

The product of its (nonzero) digits is 5376, while the sum is 31.

The spelling of 28300071802 in words is "twenty-eight billion, three hundred million, seventy-one thousand, eight hundred two".