478306707 has 4 divisors (see below), whose sum is σ = 637742280. Its totient is φ = 318871136.

The previous prime is 478306693. The next prime is 478306721. The reversal of 478306707 is 707603874.

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

It is an interprime number because it is at equal distance from previous prime (478306693) and next prime (478306721).

It is a cyclic number.

It is not a de Polignac number, because 478306707 - 2⁴ = 478306691 is a prime.

It is a super-2 number, since 2×478306707² = 457554611922367698, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (478306207) 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, 79717782 + ... + 79717787.

It is an arithmetic number, because the mean of its divisors is an integer number (159435570).

Almost surely, 2^478306707 is an apocalyptic number.

478306707 is a deficient number, since it is larger than the sum of its proper divisors (159435573).

478306707 is a wasteful number, since it uses less digits than its factorization.

478306707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159435572.

The product of its (nonzero) digits is 197568, while the sum is 42.

The square root of 478306707 is about 21870.2242100990. The cubic root of 478306707 is about 782.0517465207.

The spelling of 478306707 in words is "four hundred seventy-eight million, three hundred six thousand, seven hundred seven".