468779979 has 4 divisors (see below), whose sum is σ = 625039976. Its totient is φ = 312519984.

The previous prime is 468779929. The next prime is 468780007. The reversal of 468779979 is 979977864.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 468779979 - 2¹⁷ = 468648907 is a prime.

It is a super-2 number, since 2×468779979² = 439509337422480882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (468779929) 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, 78129994 + ... + 78129999.

It is an arithmetic number, because the mean of its divisors is an integer number (156259994).

Almost surely, 2^468779979 is an apocalyptic number.

468779979 is a deficient number, since it is larger than the sum of its proper divisors (156259997).

468779979 is a wasteful number, since it uses less digits than its factorization.

468779979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156259996.

The product of its digits is 48009024, while the sum is 66.

The square root of 468779979 is about 21651.3274188905. The cubic root of 468779979 is about 776.8246864418.

It can be divided in two parts, 4687 and 79979, that added together give a triangular number (84666 = T₄₁₁).

The spelling of 468779979 in words is "four hundred sixty-eight million, seven hundred seventy-nine thousand, nine hundred seventy-nine".