78580144430 has 16 divisors (see below), whose sum is σ = 141453435024. Its totient is φ = 31430018880.

The previous prime is 78580144393. The next prime is 78580144441. The reversal of 78580144430 is 3444108587.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87776 + ... + 406035.

It is an arithmetic number, because the mean of its divisors is an integer number (8840839689).

Almost surely, 2^78580144430 is an apocalyptic number.

78580144430 is a deficient number, since it is larger than the sum of its proper divisors (62873290594).

78580144430 is a wasteful number, since it uses less digits than its factorization.

78580144430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509731.

The product of its (nonzero) digits is 430080, while the sum is 44.

The spelling of 78580144430 in words is "seventy-eight billion, five hundred eighty million, one hundred forty-four thousand, four hundred thirty".