3847236388870 has 128 divisors (see below), whose sum is σ = 8355965184000. Its totient is φ = 1245868065792.

The previous prime is 3847236388823. The next prime is 3847236388921. The reversal of 3847236388870 is 788836327483.

It is a junction number, because it is equal to n+sod(n) for n = 3847236388796 and 3847236388805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 827538306 + ... + 827542954.

It is an arithmetic number, because the mean of its divisors is an integer number (65280978000).

Almost surely, 2^{3847236388870} is an apocalyptic number.

3847236388870 is an abundant number, since it is smaller than the sum of its proper divisors (4508728795130).

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

3847236388870 is a wasteful number, since it uses less digits than its factorization.

3847236388870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6422.

The product of its (nonzero) digits is 260112384, while the sum is 67.

The spelling of 3847236388870 in words is "three trillion, eight hundred forty-seven billion, two hundred thirty-six million, three hundred eighty-eight thousand, eight hundred seventy".