780368574983 has 4 divisors (see below), whose sum is σ = 780370742448. Its totient is φ = 780366407520.

The previous prime is 780368574941. The next prime is 780368574989. The reversal of 780368574983 is 389475863087.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 780368574983 - 2¹² = 780368570887 is a prime.

It is a super-2 number, since 2×780368574983² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (780368574989) 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, 399803 + ... + 1311708.

It is an arithmetic number, because the mean of its divisors is an integer number (195092685612).

Almost surely, 2^780368574983 is an apocalyptic number.

780368574983 is a deficient number, since it is larger than the sum of its proper divisors (2167465).

780368574983 is a wasteful number, since it uses less digits than its factorization.

780368574983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2167464.

The product of its (nonzero) digits is 243855360, while the sum is 68.

The spelling of 780368574983 in words is "seven hundred eighty billion, three hundred sixty-eight million, five hundred seventy-four thousand, nine hundred eighty-three".