80837421 has 8 divisors (see below), whose sum is σ = 123180864. Its totient is φ = 46192800.

The previous prime is 80837411. The next prime is 80837441. The reversal of 80837421 is 12473808.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 80837421 - 2⁶ = 80837357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80837401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1924680 + ... + 1924721.

It is an arithmetic number, because the mean of its divisors is an integer number (15397608).

Almost surely, 2^80837421 is an apocalyptic number.

It is an amenable number.

80837421 is a deficient number, since it is larger than the sum of its proper divisors (42343443).

80837421 is a wasteful number, since it uses less digits than its factorization.

80837421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3849411.

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 80837421 is about 8990.9632965550. The cubic root of 80837421 is about 432.3851963436.

The spelling of 80837421 in words is "eighty million, eight hundred thirty-seven thousand, four hundred twenty-one".