747923686329747 has 16 divisors (see below), whose sum is σ = 1016055216126720. Its totient is φ = 489204120823392.

The previous prime is 747923686329697. The next prime is 747923686329769.

747923686329747 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 747923686329747 - 2¹⁸ = 747923686067603 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 747923686329747.

It is not an unprimeable number, because it can be changed into a prime (747923686329247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2082154 + ... + 38732192.

It is an arithmetic number, because the mean of its divisors is an integer number (63503451007920).

Almost surely, 2^{747923686329747} is an apocalyptic number.

747923686329747 is a deficient number, since it is larger than the sum of its proper divisors (268131529796973).

747923686329747 is a wasteful number, since it uses less digits than its factorization.

747923686329747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36778442.

The product of its digits is 32262064128, while the sum is 84.

The spelling of 747923686329747 in words is "seven hundred forty-seven trillion, nine hundred twenty-three billion, six hundred eighty-six million, three hundred twenty-nine thousand, seven hundred forty-seven".