780536934 has 12 divisors (see below), whose sum is σ = 1691163396. Its totient is φ = 260178972.

The previous prime is 780536921. The next prime is 780537011. The reversal of 780536934 is 439635087.

780536934 is a `hidden beast` number, since 7 + 80 + 536 + 9 + 34 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 780536934.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21681564 + ... + 21681599.

It is an arithmetic number, because the mean of its divisors is an integer number (140930283).

Almost surely, 2^780536934 is an apocalyptic number.

780536934 is an abundant number, since it is smaller than the sum of its proper divisors (910626462).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

780536934 is a wasteful number, since it uses less digits than its factorization.

780536934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43363171 (or 43363168 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The square root of 780536934 is about 27938.0910944180. The cubic root of 780536934 is about 920.7275805545.

The spelling of 780536934 in words is "seven hundred eighty million, five hundred thirty-six thousand, nine hundred thirty-four".