4766664478 has 4 divisors (see below), whose sum is σ = 7149996720. Its totient is φ = 2383332238.

The previous prime is 4766664443. The next prime is 4766664481. The reversal of 4766664478 is 8744666674.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8744666674 = 2 ⋅4372333337.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1191666118 + ... + 1191666121.

It is an arithmetic number, because the mean of its divisors is an integer number (1787499180).

Almost surely, 2^4766664478 is an apocalyptic number.

4766664478 is a deficient number, since it is larger than the sum of its proper divisors (2383332242).

4766664478 is a wasteful number, since it uses less digits than its factorization.

4766664478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2383332241.

The product of its digits is 32514048, while the sum is 58.

The square root of 4766664478 is about 69041.0347402181. The cubic root of 4766664478 is about 1682.9512182848.

The spelling of 4766664478 in words is "four billion, seven hundred sixty-six million, six hundred sixty-four thousand, four hundred seventy-eight".