80838501 has 4 divisors (see below), whose sum is σ = 107784672. Its totient is φ = 53892332.

The previous prime is 80838497. The next prime is 80838503. The reversal of 80838501 is 10583808.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 80838501 - 2² = 80838497 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80838503) 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, 13473081 + ... + 13473086.

It is an arithmetic number, because the mean of its divisors is an integer number (26946168).

Almost surely, 2^80838501 is an apocalyptic number.

It is an amenable number.

80838501 is a deficient number, since it is larger than the sum of its proper divisors (26946171).

80838501 is a wasteful number, since it uses less digits than its factorization.

80838501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26946170.

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 80838501 is about 8991.0233566597. The cubic root of 80838501 is about 432.3871219119.

The spelling of 80838501 in words is "eighty million, eight hundred thirty-eight thousand, five hundred one".