67838007004785 has 128 divisors (see below), whose sum is σ = 121855819161600. Its totient is φ = 35805815942400.

The previous prime is 67838007004723. The next prime is 67838007004837. The reversal of 67838007004785 is 58740070083876.

67838007004785 is a `hidden beast` number, since 6 + 7 + 83 + 80 + 0 + 7 + 0 + 0 + 478 + 5 = 666.

It is not a de Polignac number, because 67838007004785 - 2⁶ = 67838007004721 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 7702732852 + ... + 7702741658.

It is an arithmetic number, because the mean of its divisors is an integer number (951998587200).

Almost surely, 2^{67838007004785} is an apocalyptic number.

It is an amenable number.

67838007004785 is a deficient number, since it is larger than the sum of its proper divisors (54017812156815).

67838007004785 is a wasteful number, since it uses less digits than its factorization.

67838007004785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10348 (or 10342 counting only the distinct ones).

The product of its (nonzero) digits is 63221760, while the sum is 63.

The spelling of 67838007004785 in words is "sixty-seven trillion, eight hundred thirty-eight billion, seven million, four thousand, seven hundred eighty-five".