28798716790 has 16 divisors (see below), whose sum is σ = 51843914640. Its totient is φ = 11518103520.

The previous prime is 28798716761. The next prime is 28798716811. The reversal of 28798716790 is 9761789782.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83241 + ... + 254020.

It is an arithmetic number, because the mean of its divisors is an integer number (3240244665).

Almost surely, 2^28798716790 is an apocalyptic number.

28798716790 is a deficient number, since it is larger than the sum of its proper divisors (23045197850).

28798716790 is a wasteful number, since it uses less digits than its factorization.

28798716790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345807.

The product of its (nonzero) digits is 21337344, while the sum is 64.

The spelling of 28798716790 in words is "twenty-eight billion, seven hundred ninety-eight million, seven hundred sixteen thousand, seven hundred ninety".