747738837747 has 12 divisors (see below), whose sum is σ = 1178255138424. Its totient is φ = 453175053120.

The previous prime is 747738837709. The next prime is 747738837767.

747738837747 is a `hidden beast` number, since 7 + 477 + 3 + 8 + 83 + 7 + 74 + 7 = 666.

747738837747 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 747738837747 - 2⁶ = 747738837683 is a prime.

It is a super-2 number, since 2×747738837747² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (747738837767) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3776458678 + ... + 3776458875.

It is an arithmetic number, because the mean of its divisors is an integer number (98187928202).

Almost surely, 2^747738837747 is an apocalyptic number.

747738837747 is a deficient number, since it is larger than the sum of its proper divisors (430516300677).

747738837747 is a wasteful number, since it uses less digits than its factorization.

747738837747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7552917570 (or 7552917567 counting only the distinct ones).

The product of its digits is 1084253184, while the sum is 72.

The spelling of 747738837747 in words is "seven hundred forty-seven billion, seven hundred thirty-eight million, eight hundred thirty-seven thousand, seven hundred forty-seven".