780580351 has 4 divisors (see below), whose sum is σ = 792230872. Its totient is φ = 768929832.

The previous prime is 780580337. The next prime is 780580393. The reversal of 780580351 is 153085087.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 153085087 = 1609 ⋅95143.

It is a cyclic number.

It is not a de Polignac number, because 780580351 - 2²³ = 772191743 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 780580351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (780580321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5825160 + ... + 5825293.

It is an arithmetic number, because the mean of its divisors is an integer number (198057718).

Almost surely, 2^780580351 is an apocalyptic number.

780580351 is a deficient number, since it is larger than the sum of its proper divisors (11650521).

780580351 is a wasteful number, since it uses less digits than its factorization.

780580351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11650520.

The product of its (nonzero) digits is 33600, while the sum is 37.

The square root of 780580351 is about 27938.8681052043. The cubic root of 780580351 is about 920.7446519176.

The spelling of 780580351 in words is "seven hundred eighty million, five hundred eighty thousand, three hundred fifty-one".