479978351 has 4 divisors (see below), whose sum is σ = 480788352. Its totient is φ = 479168352.

The previous prime is 479978309. The next prime is 479978377. The reversal of 479978351 is 153879974.

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

It is a cyclic number.

It is not a de Polignac number, because 479978351 - 2¹⁸ = 479716207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 479978293 and 479978302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (479978951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 404111 + ... + 405296.

It is an arithmetic number, because the mean of its divisors is an integer number (120197088).

Almost surely, 2^479978351 is an apocalyptic number.

479978351 is a deficient number, since it is larger than the sum of its proper divisors (810001).

479978351 is an equidigital number, since it uses as much as digits as its factorization.

479978351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810000.

The product of its digits is 1905120, while the sum is 53.

The square root of 479978351 is about 21908.4082260670. The cubic root of 479978351 is about 782.9617568110.

The spelling of 479978351 in words is "four hundred seventy-nine million, nine hundred seventy-eight thousand, three hundred fifty-one".