28714317460 has 24 divisors (see below), whose sum is σ = 60704771400. Its totient is φ = 11408640384.

The previous prime is 28714317419. The next prime is 28714317469. The reversal of 28714317460 is 6471341782.

It can be written as a sum of positive squares in 4 ways, for example, as 1146364164 + 27567953296 = 33858^2 + 166036^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28714317469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4814859 + ... + 4820818.

It is an arithmetic number, because the mean of its divisors is an integer number (2529365475).

Almost surely, 2^28714317460 is an apocalyptic number.

28714317460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28714317460 is an abundant number, since it is smaller than the sum of its proper divisors (31990453940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28714317460 is a wasteful number, since it uses less digits than its factorization.

28714317460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9635835 (or 9635833 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 43.

The spelling of 28714317460 in words is "twenty-eight billion, seven hundred fourteen million, three hundred seventeen thousand, four hundred sixty".