28338986156 has 48 divisors (see below), whose sum is σ = 54574448544. Its totient is φ = 12795334656.

The previous prime is 28338986119. The next prime is 28338986167. The reversal of 28338986156 is 65168983382.

It is a junction number, because it is equal to n+sod(n) for n = 28338986095 and 28338986104.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 941516 + ... + 971148.

It is an arithmetic number, because the mean of its divisors is an integer number (1136967678).

Almost surely, 2^28338986156 is an apocalyptic number.

28338986156 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

28338986156 is a deficient number, since it is larger than the sum of its proper divisors (26235462388).

28338986156 is a wasteful number, since it uses less digits than its factorization.

28338986156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30050 (or 30048 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 59.

The spelling of 28338986156 in words is "twenty-eight billion, three hundred thirty-eight million, nine hundred eighty-six thousand, one hundred fifty-six".