780386432542 has 8 divisors (see below), whose sum is σ = 1182169546632. Its totient is φ = 386329917000.

The previous prime is 780386432531. The next prime is 780386432557. The reversal of 780386432542 is 245234683087.

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

It is a self number, because there is not a number n which added to its sum of digits gives 780386432542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1931649384 + ... + 1931649787.

It is an arithmetic number, because the mean of its divisors is an integer number (147771193329).

Almost surely, 2^780386432542 is an apocalyptic number.

780386432542 is a deficient number, since it is larger than the sum of its proper divisors (401783114090).

780386432542 is a wasteful number, since it uses less digits than its factorization.

780386432542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3863299274.

The product of its (nonzero) digits is 7741440, while the sum is 52.

The spelling of 780386432542 in words is "seven hundred eighty billion, three hundred eighty-six million, four hundred thirty-two thousand, five hundred forty-two".