478458513069 has 8 divisors (see below), whose sum is σ = 638263824000. Its totient is φ = 318812772096.

The previous prime is 478458513053. The next prime is 478458513083. The reversal of 478458513069 is 960315854874.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 478458513069 - 2⁴ = 478458513053 is a prime.

It is a super-2 number, since 2×478458513069² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478458513469) 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, 39885492 + ... + 39897485.

It is an arithmetic number, because the mean of its divisors is an integer number (79782978000).

Almost surely, 2^478458513069 is an apocalyptic number.

It is an amenable number.

478458513069 is a deficient number, since it is larger than the sum of its proper divisors (159805310931).

478458513069 is a wasteful number, since it uses less digits than its factorization.

478458513069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79784979.

The product of its (nonzero) digits is 29030400, while the sum is 60.

The spelling of 478458513069 in words is "four hundred seventy-eight billion, four hundred fifty-eight million, five hundred thirteen thousand, sixty-nine".