83480780 has 12 divisors (see below), whose sum is σ = 175309680. Its totient is φ = 33392304.

The previous prime is 83480773. The next prime is 83480807. The reversal of 83480780 is 8708438.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2087000 + ... + 2087039.

It is an arithmetic number, because the mean of its divisors is an integer number (14609140).

Almost surely, 2^83480780 is an apocalyptic number.

It is an amenable number.

83480780 is an abundant number, since it is smaller than the sum of its proper divisors (91828900).

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

83480780 is a wasteful number, since it uses less digits than its factorization.

83480780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4174048 (or 4174046 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 38.

The square root of 83480780 is about 9136.7817091140. The cubic root of 83480780 is about 437.0476936358.

The spelling of 83480780 in words is "eighty-three million, four hundred eighty thousand, seven hundred eighty".