464878879420164 has 36 divisors (see below), whose sum is σ = 1192292663199792. Its totient is φ = 140872387702640.

The previous prime is 464878879420159. The next prime is 464878879420169. The reversal of 464878879420164 is 461024978878464.

It is an interprime number because it is at equal distance from previous prime (464878879420159) and next prime (464878879420169).

It is a super-2 number, since 2×464878879420164² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 464878879420164.

It is not an unprimeable number, because it can be changed into a prime (464878879420169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 160082257302 + ... + 160082260205.

Almost surely, 2^{464878879420164} is an apocalyptic number.

464878879420164 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

464878879420164 is an abundant number, since it is smaller than the sum of its proper divisors (727413783779628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

464878879420164 is a wasteful number, since it uses less digits than its factorization.

464878879420164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320164517536 (or 320164517523 counting only the distinct ones).

The product of its (nonzero) digits is 4161798144, while the sum is 78.

The spelling of 464878879420164 in words is "four hundred sixty-four trillion, eight hundred seventy-eight billion, eight hundred seventy-nine million, four hundred twenty thousand, one hundred sixty-four".