83030780 has 48 divisors (see below), whose sum is σ = 200019456. Its totient is φ = 28361280.

The previous prime is 83030777. The next prime is 83030791. The reversal of 83030780 is 8703038.

It is a super-2 number, since 2×83030780² = 13788220854816800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42587 + ... + 44493.

It is an arithmetic number, because the mean of its divisors is an integer number (4167072).

Almost surely, 2^83030780 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 83030780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100009728).

83030780 is an abundant number, since it is smaller than the sum of its proper divisors (116988676).

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

83030780 is a wasteful number, since it uses less digits than its factorization.

83030780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2234 (or 2232 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 83030780 is about 9112.1226945207. The cubic root of 83030780 is about 436.2609819815.

The spelling of 83030780 in words is "eighty-three million, thirty thousand, seven hundred eighty".