785361074436 has 81 divisors (see below), whose sum is σ = 2002695001671. Its totient is φ = 259502385744.

The previous prime is 785361074431. The next prime is 785361074447. The reversal of 785361074436 is 634470163587.

It is a happy number.

The square root of 785361074436 is 886206.

It is a perfect power (a square), and thus also a powerful number.

785361074436 is a `hidden beast` number, since 7 + 8 + 536 + 1 + 0 + 74 + 4 + 36 = 666.

It is not an unprimeable number, because it can be changed into a prime (785361074431) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 675288391 + ... + 675289553.

Almost surely, 2^785361074436 is an apocalyptic number.

785361074436 is the 886206-th square number.

It is an amenable number.

785361074436 is an abundant number, since it is smaller than the sum of its proper divisors (1217333927235).

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

785361074436 is a wasteful number, since it uses less digits than its factorization.

785361074436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2590 (or 1295 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 54.

The spelling of 785361074436 in words is "seven hundred eighty-five billion, three hundred sixty-one million, seventy-four thousand, four hundred thirty-six".