478842002 has 4 divisors (see below), whose sum is σ = 718263006. Its totient is φ = 239421000.

The previous prime is 478841929. The next prime is 478842011. The reversal of 478842002 is 200248874.

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

It can be written as a sum of positive squares in only one way, i.e., 421521961 + 57320041 = 20531^2 + 7571^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119710499 + ... + 119710502.

Almost surely, 2^478842002 is an apocalyptic number.

478842002 is a deficient number, since it is larger than the sum of its proper divisors (239421004).

478842002 is a wasteful number, since it uses less digits than its factorization.

478842002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239421003.

The product of its (nonzero) digits is 28672, while the sum is 35.

The square root of 478842002 is about 21882.4587740957. The cubic root of 478842002 is about 782.3433810945.

The spelling of 478842002 in words is "four hundred seventy-eight million, eight hundred forty-two thousand, two".