780430141 has 8 divisors (see below), whose sum is σ = 796393944. Its totient is φ = 764512320.

The previous prime is 780430109. The next prime is 780430171. The reversal of 780430141 is 141034087.

It can be written as a sum of positive squares in 4 ways, for example, as 438734916 + 341695225 = 20946^2 + 18485^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 780430141 - 2⁵ = 780430109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (780430171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23895 + ... + 46171.

It is an arithmetic number, because the mean of its divisors is an integer number (99549243).

Almost surely, 2^780430141 is an apocalyptic number.

It is an amenable number.

780430141 is a deficient number, since it is larger than the sum of its proper divisors (15963803).

780430141 is a wasteful number, since it uses less digits than its factorization.

780430141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22991.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 780430141 is about 27936.1797853608. The cubic root of 780430141 is about 920.6855873483.

The spelling of 780430141 in words is "seven hundred eighty million, four hundred thirty thousand, one hundred forty-one".