479261400087 has 4 divisors (see below), whose sum is σ = 639015200120. Its totient is φ = 319507600056.

The previous prime is 479261400067. The next prime is 479261400091. The reversal of 479261400087 is 780004162974.

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

It is not a de Polignac number, because 479261400087 - 2¹⁴ = 479261383703 is a prime.

It is a super-2 number, since 2×479261400087² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (479261400067) 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, 79876900012 + ... + 79876900017.

It is an arithmetic number, because the mean of its divisors is an integer number (159753800030).

Almost surely, 2^479261400087 is an apocalyptic number.

479261400087 is a deficient number, since it is larger than the sum of its proper divisors (159753800033).

479261400087 is a wasteful number, since it uses less digits than its factorization.

479261400087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159753800032.

The product of its (nonzero) digits is 677376, while the sum is 48.

The spelling of 479261400087 in words is "four hundred seventy-nine billion, two hundred sixty-one million, four hundred thousand, eighty-seven".