28423085702 has 16 divisors (see below), whose sum is σ = 46610975232. Its totient is φ = 12891675720.

The previous prime is 28423085693. The next prime is 28423085749. The reversal of 28423085702 is 20758032482.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 28423085702.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1385018 + ... + 1405389.

It is an arithmetic number, because the mean of its divisors is an integer number (2913185952).

Almost surely, 2^28423085702 is an apocalyptic number.

28423085702 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28423085702 is a deficient number, since it is larger than the sum of its proper divisors (18187889530).

28423085702 is a wasteful number, since it uses less digits than its factorization.

28423085702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2790883.

The product of its (nonzero) digits is 215040, while the sum is 41.

The spelling of 28423085702 in words is "twenty-eight billion, four hundred twenty-three million, eighty-five thousand, seven hundred two".