28938026734 has 4 divisors (see below), whose sum is σ = 43407040104. Its totient is φ = 14469013366.

The previous prime is 28938026731. The next prime is 28938026753. The reversal of 28938026734 is 43762083982.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28938026731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7234506682 + ... + 7234506685.

It is an arithmetic number, because the mean of its divisors is an integer number (10851760026).

Almost surely, 2^28938026734 is an apocalyptic number.

28938026734 is a deficient number, since it is larger than the sum of its proper divisors (14469013370).

28938026734 is a wasteful number, since it uses less digits than its factorization.

28938026734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14469013369.

The product of its (nonzero) digits is 3483648, while the sum is 52.

The spelling of 28938026734 in words is "twenty-eight billion, nine hundred thirty-eight million, twenty-six thousand, seven hundred thirty-four".