479117687730 has 128 divisors (see below), whose sum is σ = 1263735115776. Its totient is φ = 115288992000.

The previous prime is 479117687707. The next prime is 479117687761. The reversal of 479117687730 is 37786711974.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 40940880 + ... + 40952580.

It is an arithmetic number, because the mean of its divisors is an integer number (9872930592).

Almost surely, 2^479117687730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 479117687730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (631867557888).

479117687730 is an abundant number, since it is smaller than the sum of its proper divisors (784617428046).

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

479117687730 is a wasteful number, since it uses less digits than its factorization.

479117687730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12632.

The product of its (nonzero) digits is 12446784, while the sum is 60.

The spelling of 479117687730 in words is "four hundred seventy-nine billion, one hundred seventeen million, six hundred eighty-seven thousand, seven hundred thirty".