28316297357790 has 64 divisors (see below), whose sum is σ = 74068505796096. Its totient is φ = 6886187597952.

The previous prime is 28316297357779. The next prime is 28316297357797. The reversal of 28316297357790 is 9775379261382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28316297357797) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 437352514 + ... + 437417253.

It is an arithmetic number, because the mean of its divisors is an integer number (1157320403064).

Almost surely, 2^{28316297357790} is an apocalyptic number.

28316297357790 is an abundant number, since it is smaller than the sum of its proper divisors (45752208438306).

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

28316297357790 is a wasteful number, since it uses less digits than its factorization.

28316297357790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874769873.

The product of its (nonzero) digits is 240045120, while the sum is 69.

The spelling of 28316297357790 in words is "twenty-eight trillion, three hundred sixteen billion, two hundred ninety-seven million, three hundred fifty-seven thousand, seven hundred ninety".