478702141 has 4 divisors (see below), whose sum is σ = 480393952. Its totient is φ = 477010332.

The previous prime is 478702129. The next prime is 478702157. The reversal of 478702141 is 141207874.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 478702141 - 2⁵ = 478702109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 478702097 and 478702106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478702111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 845481 + ... + 846046.

It is an arithmetic number, because the mean of its divisors is an integer number (120098488).

Almost surely, 2^478702141 is an apocalyptic number.

It is an amenable number.

478702141 is a deficient number, since it is larger than the sum of its proper divisors (1691811).

478702141 is a wasteful number, since it uses less digits than its factorization.

478702141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1691810.

The product of its (nonzero) digits is 12544, while the sum is 34.

The square root of 478702141 is about 21879.2628075079. The cubic root of 478702141 is about 782.2672042749.

The spelling of 478702141 in words is "four hundred seventy-eight million, seven hundred two thousand, one hundred forty-one".