80838136 has 16 divisors (see below), whose sum is σ = 151880400. Its totient is φ = 40336704.

The previous prime is 80838133. The next prime is 80838143. The reversal of 80838136 is 63183808.

It is a junction number, because it is equal to n+sod(n) for n = 80838095 and 80838104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80838133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6021 + ... + 14068.

It is an arithmetic number, because the mean of its divisors is an integer number (9492525).

Almost surely, 2^80838136 is an apocalyptic number.

It is an amenable number.

80838136 is a deficient number, since it is larger than the sum of its proper divisors (71042264).

80838136 is a wasteful number, since it uses less digits than its factorization.

80838136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20598 (or 20594 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 80838136 is about 8991.0030586136. The cubic root of 80838136 is about 432.3864711430.

The spelling of 80838136 in words is "eighty million, eight hundred thirty-eight thousand, one hundred thirty-six".