80390700 has 108 divisors (see below), whose sum is σ = 271402768. Its totient is φ = 19785600.

The previous prime is 80390699. The next prime is 80390707. The reversal of 80390700 is 709308.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (80390707) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8265 + ... + 15135.

Almost surely, 2^80390700 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80390700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135701384).

80390700 is an abundant number, since it is smaller than the sum of its proper divisors (191012068).

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

80390700 is a wasteful number, since it uses less digits than its factorization.

80390700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6904 (or 6894 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 80390700 is about 8966.0861026426. The cubic root of 80390700 is about 431.5872472234.

The spelling of 80390700 in words is "eighty million, three hundred ninety thousand, seven hundred".