28526522738 has 16 divisors (see below), whose sum is σ = 49172794944. Its totient is φ = 12158106480.

The previous prime is 28526522723. The next prime is 28526522753. The reversal of 28526522738 is 83722562582.

It is an interprime number because it is at equal distance from previous prime (28526522723) and next prime (28526522753).

It is a super-3 number, since 3×28526522738³ (a number of 32 digits) contains 333 as substring.

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, 5626220 + ... + 5631287.

It is an arithmetic number, because the mean of its divisors is an integer number (3073299684).

Almost surely, 2^28526522738 is an apocalyptic number.

28526522738 is a deficient number, since it is larger than the sum of its proper divisors (20646272206).

28526522738 is a wasteful number, since it uses less digits than its factorization.

28526522738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11257697.

The product of its digits is 3225600, while the sum is 50.

The spelling of 28526522738 in words is "twenty-eight billion, five hundred twenty-six million, five hundred twenty-two thousand, seven hundred thirty-eight".