80780130 has 24 divisors (see below), whose sum is σ = 210028572. Its totient is φ = 21541344.

The previous prime is 80780123. The next prime is 80780137. The reversal of 80780130 is 3108708.

It is an interprime number because it is at equal distance from previous prime (80780123) and next prime (80780137).

It can be written as a sum of positive squares in 2 ways, for example, as 70610409 + 10169721 = 8403^2 + 3189^2 .

It is a junction number, because it is equal to n+sod(n) for n = 80780094 and 80780103.

It is not an unprimeable number, because it can be changed into a prime (80780137) 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, 448689 + ... + 448868.

Almost surely, 2^80780130 is an apocalyptic number.

80780130 is an abundant number, since it is smaller than the sum of its proper divisors (129248442).

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

80780130 is a wasteful number, since it uses less digits than its factorization.

80780130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897570 (or 897567 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 80780130 is about 8987.7766994958. The cubic root of 80780130 is about 432.2830256972.

Adding to 80780130 its reverse (3108708), we get a palindrome (83888838).

The spelling of 80780130 in words is "eighty million, seven hundred eighty thousand, one hundred thirty".