464717778164 has 12 divisors (see below), whose sum is σ = 861094706724. Its totient is φ = 218690719104.

The previous prime is 464717778163. The next prime is 464717778179. The reversal of 464717778164 is 461877717464.

It can be written as a sum of positive squares in 2 ways, for example, as 189346819600 + 275370958564 = 435140^2 + 524758^2 .

It is a super-2 number, since 2×464717778164² (a number of 24 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (62) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 464717778097 and 464717778106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (464717778163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3417042419 + ... + 3417042554.

It is an arithmetic number, because the mean of its divisors is an integer number (71757892227).

Almost surely, 2^464717778164 is an apocalyptic number.

It is an amenable number.

464717778164 is a deficient number, since it is larger than the sum of its proper divisors (396376928560).

464717778164 is a wasteful number, since it uses less digits than its factorization.

464717778164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6834084994 (or 6834084992 counting only the distinct ones).

The product of its digits is 44255232, while the sum is 62.

The spelling of 464717778164 in words is "four hundred sixty-four billion, seven hundred seventeen million, seven hundred seventy-eight thousand, one hundred sixty-four".