478332715 has 16 divisors (see below), whose sum is σ = 656713728. Its totient is φ = 327642336.

The previous prime is 478332713. The next prime is 478332727. The reversal of 478332715 is 517233874.

It is a happy number.

It is not a de Polignac number, because 478332715 - 2¹ = 478332713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (478332713) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27454 + ... + 41356.

It is an arithmetic number, because the mean of its divisors is an integer number (41044608).

Almost surely, 2^478332715 is an apocalyptic number.

478332715 is a deficient number, since it is larger than the sum of its proper divisors (178381013).

478332715 is a wasteful number, since it uses less digits than its factorization.

478332715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14898.

The product of its digits is 141120, while the sum is 40.

The square root of 478332715 is about 21870.8188004016. The cubic root of 478332715 is about 782.0659209914.

The spelling of 478332715 in words is "four hundred seventy-eight million, three hundred thirty-two thousand, seven hundred fifteen".