80816700 has 36 divisors (see below), whose sum is σ = 233830520. Its totient is φ = 21551040.

The previous prime is 80816683. The next prime is 80816713. The reversal of 80816700 is 761808.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134395 + ... + 134994.

Almost surely, 2^80816700 is an apocalyptic number.

It is an amenable number.

80816700 is an abundant number, since it is smaller than the sum of its proper divisors (153013820).

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

80816700 is a wasteful number, since it uses less digits than its factorization.

80816700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269406 (or 269399 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 80816700 is about 8989.8108990123. The cubic root of 80816700 is about 432.3482488541.

The spelling of 80816700 in words is "eighty million, eight hundred sixteen thousand, seven hundred".