4778658432 has 96 divisors (see below), whose sum is σ = 14194776960. Its totient is φ = 1541491200.

The previous prime is 4778658421. The next prime is 4778658433. The reversal of 4778658432 is 2348568774.

4778658432 is a `hidden beast` number, since 477 + 8 + 65 + 84 + 32 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (4778658433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31194 + ... + 102617.

It is an arithmetic number, because the mean of its divisors is an integer number (147862260).

Almost surely, 2^4778658432 is an apocalyptic number.

It is an amenable number.

4778658432 is an abundant number, since it is smaller than the sum of its proper divisors (9416118528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4778658432 is a wasteful number, since it uses less digits than its factorization.

4778658432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133862 (or 133847 counting only the distinct ones).

The product of its digits is 9031680, while the sum is 54.

The square root of 4778658432 is about 69127.8412218984. The cubic root of 4778658432 is about 1684.3615918686.

The spelling of 4778658432 in words is "four billion, seven hundred seventy-eight million, six hundred fifty-eight thousand, four hundred thirty-two".