4997478799392 has 48 divisors (see below), whose sum is σ = 13808823003360. Its totient is φ = 1578151199232.

The previous prime is 4997478799381. The next prime is 4997478799463. The reversal of 4997478799392 is 2939978747994.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 4997478799299 and 4997478799308.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1369921093 + ... + 1369924740.

It is an arithmetic number, because the mean of its divisors is an integer number (287683812570).

Almost surely, 2^{4997478799392} is an apocalyptic number.

It is an amenable number.

4997478799392 is an abundant number, since it is smaller than the sum of its proper divisors (8811344203968).

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

4997478799392 is a wasteful number, since it uses less digits than its factorization.

4997478799392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2739845865 (or 2739845857 counting only the distinct ones).

The product of its digits is 15554923776, while the sum is 87.

The spelling of 4997478799392 in words is "four trillion, nine hundred ninety-seven billion, four hundred seventy-eight million, seven hundred ninety-nine thousand, three hundred ninety-two".