80634219 has 8 divisors (see below), whose sum is σ = 107553792. Its totient is φ = 53735400.

The previous prime is 80634217. The next prime is 80634241. The reversal of 80634219 is 91243608.

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

It is not a de Polignac number, because 80634219 - 2¹ = 80634217 is a prime.

It is a super-2 number, since 2×80634219² = 13003754547479922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 80634219.

It is not an unprimeable number, because it can be changed into a prime (80634217) 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, 12394 + ... + 17744.

It is an arithmetic number, because the mean of its divisors is an integer number (13444224).

Almost surely, 2^80634219 is an apocalyptic number.

80634219 is a deficient number, since it is larger than the sum of its proper divisors (26919573).

80634219 is a wasteful number, since it uses less digits than its factorization.

80634219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10377.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 80634219 is about 8979.6558397302. The cubic root of 80634219 is about 432.0225950545.

The spelling of 80634219 in words is "eighty million, six hundred thirty-four thousand, two hundred nineteen".