4778807299544 has 16 divisors (see below), whose sum is σ = 9086464584720. Its totient is φ = 2355750076960.

The previous prime is 4778807299543. The next prime is 4778807299547. The reversal of 4778807299544 is 4459927088774.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4778807299543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4206695999 + ... + 4206697134.

It is an arithmetic number, because the mean of its divisors is an integer number (567904036545).

Almost surely, 2^{4778807299544} is an apocalyptic number.

It is an amenable number.

4778807299544 is a deficient number, since it is larger than the sum of its proper divisors (4307657285176).

4778807299544 is a wasteful number, since it uses less digits than its factorization.

4778807299544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8413393210 (or 8413393206 counting only the distinct ones).

The product of its (nonzero) digits is 1137991680, while the sum is 74.

The spelling of 4778807299544 in words is "four trillion, seven hundred seventy-eight billion, eight hundred seven million, two hundred ninety-nine thousand, five hundred forty-four".