785134349892 has 24 divisors (see below), whose sum is σ = 2035533500000. Its totient is φ = 261711449928.

The previous prime is 785134349887. The next prime is 785134349981. The reversal of 785134349892 is 298943431587.

785134349892 is a `hidden beast` number, since 7 + 8 + 5 + 13 + 43 + 498 + 92 = 666.

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, 3634881142 + ... + 3634881357.

Almost surely, 2^785134349892 is an apocalyptic number.

It is an amenable number.

785134349892 is an abundant number, since it is smaller than the sum of its proper divisors (1250399150108).

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

785134349892 is a wasteful number, since it uses less digits than its factorization.

785134349892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7269762512 (or 7269762504 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 63.

The spelling of 785134349892 in words is "seven hundred eighty-five billion, one hundred thirty-four million, three hundred forty-nine thousand, eight hundred ninety-two".