80838738 has 24 divisors (see below), whose sum is σ = 175374108. Its totient is φ = 26911872.

The previous prime is 80838701. The next prime is 80838739. The reversal of 80838738 is 83783808.

It can be written as a sum of positive squares in 2 ways, for example, as 80407089 + 431649 = 8967^2 + 657^2 .

It is a super-3 number, since 3×80838738³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 80838693 and 80838702.

It is not an unprimeable number, because it can be changed into a prime (80838739) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14470 + ... + 19262.

Almost surely, 2^80838738 is an apocalyptic number.

80838738 is an abundant number, since it is smaller than the sum of its proper divisors (94535370).

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

80838738 is a wasteful number, since it uses less digits than its factorization.

80838738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5738 (or 5735 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 80838738 is about 8991.0365364623. The cubic root of 80838738 is about 432.3875444649.

The spelling of 80838738 in words is "eighty million, eight hundred thirty-eight thousand, seven hundred thirty-eight".