4391787047870 has 64 divisors (see below), whose sum is σ = 8376163361280. Its totient is φ = 1653284400768.

The previous prime is 4391787047821. The next prime is 4391787047881. The reversal of 4391787047870 is 787407871934.

It is a junction number, because it is equal to n+sod(n) for n = 4391787047797 and 4391787047806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 158174609 + ... + 158202371.

It is an arithmetic number, because the mean of its divisors is an integer number (130877552520).

Almost surely, 2^{4391787047870} is an apocalyptic number.

4391787047870 is a deficient number, since it is larger than the sum of its proper divisors (3984376313410).

4391787047870 is a wasteful number, since it uses less digits than its factorization.

4391787047870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33249.

The product of its (nonzero) digits is 66382848, while the sum is 65.

The spelling of 4391787047870 in words is "four trillion, three hundred ninety-one billion, seven hundred eighty-seven million, forty-seven thousand, eight hundred seventy".