478802890 has 16 divisors (see below), whose sum is σ = 862293600. Its totient is φ = 191421520.

The previous prime is 478802887. The next prime is 478802897. The reversal of 478802890 is 98208874.

It is a self number, because there is not a number n which added to its sum of digits gives 478802890.

It is not an unprimeable number, because it can be changed into a prime (478802897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9585 + ... + 32395.

It is an arithmetic number, because the mean of its divisors is an integer number (53893350).

Almost surely, 2^478802890 is an apocalyptic number.

478802890 is a deficient number, since it is larger than the sum of its proper divisors (383490710).

478802890 is a wasteful number, since it uses less digits than its factorization.

478802890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24917.

The product of its (nonzero) digits is 258048, while the sum is 46.

The square root of 478802890 is about 21881.5650719961. The cubic root of 478802890 is about 782.3220798112.

The spelling of 478802890 in words is "four hundred seventy-eight million, eight hundred two thousand, eight hundred ninety".