80109630 has 24 divisors (see below), whose sum is σ = 208285272. Its totient is φ = 21362544.

The previous prime is 80109619. The next prime is 80109637. The reversal of 80109630 is 3690108.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 80109594 and 80109603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80109637) 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, 444964 + ... + 445143.

It is an arithmetic number, because the mean of its divisors is an integer number (8678553).

Almost surely, 2^80109630 is an apocalyptic number.

80109630 is an abundant number, since it is smaller than the sum of its proper divisors (128175642).

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

80109630 is a wasteful number, since it uses less digits than its factorization.

80109630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890120 (or 890117 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 80109630 is about 8950.3983151589. The cubic root of 80109630 is about 431.0836737290.

Adding to 80109630 its reverse (3690108), we get a palindrome (83799738).

The spelling of 80109630 in words is "eighty million, one hundred nine thousand, six hundred thirty".