4778311832 has 24 divisors (see below), whose sum is σ = 10422084060. Its totient is φ = 2047847760.

The previous prime is 4778311819. The next prime is 4778311861. The reversal of 4778311832 is 2381138774.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6094394 + ... + 6095177.

Almost surely, 2^4778311832 is an apocalyptic number.

It is an amenable number.

4778311832 is an abundant number, since it is smaller than the sum of its proper divisors (5643772228).

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

4778311832 is a wasteful number, since it uses less digits than its factorization.

4778311832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12189591 (or 12189580 counting only the distinct ones).

The product of its digits is 225792, while the sum is 44.

The square root of 4778311832 is about 69125.3342270401. The cubic root of 4778311832 is about 1684.3208681766.

The spelling of 4778311832 in words is "four billion, seven hundred seventy-eight million, three hundred eleven thousand, eight hundred thirty-two".