478782754 has 4 divisors (see below), whose sum is σ = 718174134. Its totient is φ = 239391376.

The previous prime is 478782727. The next prime is 478782757. The reversal of 478782754 is 457287874.

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., 467727129 + 11055625 = 21627^2 + 3325^2 .

It is not an unprimeable number, because it can be changed into a prime (478782757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119695687 + ... + 119695690.

Almost surely, 2^478782754 is an apocalyptic number.

478782754 is a deficient number, since it is larger than the sum of its proper divisors (239391380).

478782754 is a wasteful number, since it uses less digits than its factorization.

478782754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239391379.

The product of its digits is 3512320, while the sum is 52.

The square root of 478782754 is about 21881.1049538180. The cubic root of 478782754 is about 782.3111128360.

The spelling of 478782754 in words is "four hundred seventy-eight million, seven hundred eighty-two thousand, seven hundred fifty-four".