738866668837 has 16 divisors (see below), whose sum is σ = 814053084480. Its totient is φ = 665049369600.

The previous prime is 738866668817. The next prime is 738866668909.

738866668837 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 738866668837 - 2³⁵ = 704506930469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (738866668817) 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, 376762 + ... + 1272667.

It is an arithmetic number, because the mean of its divisors is an integer number (50878317780).

Almost surely, 2^738866668837 is an apocalyptic number.

It is an amenable number.

738866668837 is a deficient number, since it is larger than the sum of its proper divisors (75186415643).

738866668837 is a wasteful number, since it uses less digits than its factorization.

738866668837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1649844.

The product of its digits is 2341011456, while the sum is 76.

The spelling of 738866668837 in words is "seven hundred thirty-eight billion, eight hundred sixty-six million, six hundred sixty-eight thousand, eight hundred thirty-seven".