785245712452 has 48 divisors (see below), whose sum is σ = 1470697883200. Its totient is φ = 365741516160.

The previous prime is 785245712393. The next prime is 785245712453. The reversal of 785245712452 is 254217542587.

It is a super-2 number, since 2×785245712452² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 785245712452.

It is not an unprimeable number, because it can be changed into a prime (785245712453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15082738 + ... + 15134710.

Almost surely, 2^785245712452 is an apocalyptic number.

It is an amenable number.

785245712452 is a deficient number, since it is larger than the sum of its proper divisors (685452170748).

785245712452 is a wasteful number, since it uses less digits than its factorization.

785245712452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55316 (or 55314 counting only the distinct ones).

The product of its digits is 6272000, while the sum is 52.

The spelling of 785245712452 in words is "seven hundred eighty-five billion, two hundred forty-five million, seven hundred twelve thousand, four hundred fifty-two".