838964487773 has 16 divisors (see below), whose sum is σ = 853940344320. Its totient is φ = 824029022400.

The previous prime is 838964487733. The next prime is 838964487811. The reversal of 838964487773 is 377784469838.

838964487773 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 838964487773 - 2¹⁰ = 838964486749 is a prime.

It is a super-2 number, since 2×838964487773² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 838964487773.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (838964487733) 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, 241983986 + ... + 241987452.

It is an arithmetic number, because the mean of its divisors is an integer number (53371271520).

Almost surely, 2^838964487773 is an apocalyptic number.

It is an amenable number.

838964487773 is a deficient number, since it is larger than the sum of its proper divisors (14975856547).

838964487773 is a wasteful number, since it uses less digits than its factorization.

838964487773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8068.

The product of its digits is 1365590016, while the sum is 74.

The spelling of 838964487773 in words is "eight hundred thirty-eight billion, nine hundred sixty-four million, four hundred eighty-seven thousand, seven hundred seventy-three".