28690294718 has 64 divisors (see below), whose sum is σ = 46277775360. Its totient is φ = 13318905600.

The previous prime is 28690294643. The next prime is 28690294729. The reversal of 28690294718 is 81749209682.

It is a super-2 number, since 2×28690294718² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26248580 + ... + 26249672.

It is an arithmetic number, because the mean of its divisors is an integer number (723090240).

Almost surely, 2^28690294718 is an apocalyptic number.

28690294718 is a deficient number, since it is larger than the sum of its proper divisors (17587480642).

28690294718 is a wasteful number, since it uses less digits than its factorization.

28690294718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1353.

The product of its (nonzero) digits is 3483648, while the sum is 56.

The spelling of 28690294718 in words is "twenty-eight billion, six hundred ninety million, two hundred ninety-four thousand, seven hundred eighteen".