785438411408 has 40 divisors (see below), whose sum is σ = 1799156959680. Its totient is φ = 325008996480.

The previous prime is 785438411371. The next prime is 785438411411. The reversal of 785438411408 is 804114834587.

It is a self number, because there is not a number n which added to its sum of digits gives 785438411408.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120907838 + ... + 120914333.

It is an arithmetic number, because the mean of its divisors is an integer number (44978923992).

Almost surely, 2^785438411408 is an apocalyptic number.

It is an amenable number.

785438411408 is an abundant number, since it is smaller than the sum of its proper divisors (1013718548272).

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

785438411408 is a wasteful number, since it uses less digits than its factorization.

785438411408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241822215 (or 241822209 counting only the distinct ones).

The product of its (nonzero) digits is 3440640, while the sum is 53.

The spelling of 785438411408 in words is "seven hundred eighty-five billion, four hundred thirty-eight million, four hundred eleven thousand, four hundred eight".