964977779469 has 16 divisors (see below), whose sum is σ = 1403635484160. Its totient is φ = 584821917360.

The previous prime is 964977779429. The next prime is 964977779503.

964977779469 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 964977779469 - 2¹⁹ = 964977255181 is a prime.

It is a super-2 number, since 2×964977779469² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 964977779391 and 964977779400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (964977779429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1286752 + ... + 1893590.

It is an arithmetic number, because the mean of its divisors is an integer number (87727217760).

Almost surely, 2^964977779469 is an apocalyptic number.

It is an amenable number.

964977779469 is a deficient number, since it is larger than the sum of its proper divisors (438657704691).

964977779469 is a wasteful number, since it uses less digits than its factorization.

964977779469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655040.

The product of its digits is 9073705536, while the sum is 84.

The spelling of 964977779469 in words is "nine hundred sixty-four billion, nine hundred seventy-seven million, seven hundred seventy-nine thousand, four hundred sixty-nine".