479890978 has 16 divisors (see below), whose sum is σ = 842736384. Its totient is φ = 200651040.

The previous prime is 479890973. The next prime is 479890997. The reversal of 479890978 is 879098974.

It is not an unprimeable number, because it can be changed into a prime (479890973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 417450 + ... + 418597.

It is an arithmetic number, because the mean of its divisors is an integer number (52671024).

Almost surely, 2^479890978 is an apocalyptic number.

479890978 is a deficient number, since it is larger than the sum of its proper divisors (362845406).

479890978 is a wasteful number, since it uses less digits than its factorization.

479890978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836097.

The product of its (nonzero) digits is 9144576, while the sum is 61.

The square root of 479890978 is about 21906.4140835510. The cubic root of 479890978 is about 782.9142450369.

It can be divided in two parts, 47 and 9890978, that added together give a square (9891025 = 3145²).

The spelling of 479890978 in words is "four hundred seventy-nine million, eight hundred ninety thousand, nine hundred seventy-eight".