746838838647 has 144 divisors (see below), whose sum is σ = 1278031154400. Its totient is φ = 418429440000.

The previous prime is 746838838561. The next prime is 746838838667.

746838838647 is a `hidden beast` number, since 7 + 468 + 3 + 8 + 83 + 86 + 4 + 7 = 666.

746838838647 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 746838838647 - 2⁷ = 746838838519 is a prime.

It is a super-3 number, since 3×746838838647³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (746838838667) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 244943979 + ... + 244947027.

It is an arithmetic number, because the mean of its divisors is an integer number (8875216350).

Almost surely, 2^746838838647 is an apocalyptic number.

746838838647 is a deficient number, since it is larger than the sum of its proper divisors (531192315753).

746838838647 is a wasteful number, since it uses less digits than its factorization.

746838838647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3326 (or 3312 counting only the distinct ones).

The product of its digits is 1040449536, while the sum is 72.

The spelling of 746838838647 in words is "seven hundred forty-six billion, eight hundred thirty-eight million, eight hundred thirty-eight thousand, six hundred forty-seven".