387830802215816 has 32 divisors (see below), whose sum is σ = 758857577088960. Its totient is φ = 185470074580032.

The previous prime is 387830802215797. The next prime is 387830802215849. The reversal of 387830802215816 is 618512208038783.

It is a super-2 number, since 2×387830802215816² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78401135 + ... + 83200958.

It is an arithmetic number, because the mean of its divisors is an integer number (23714299284030).

Almost surely, 2^{387830802215816} is an apocalyptic number.

It is an amenable number.

387830802215816 is a deficient number, since it is larger than the sum of its proper divisors (371026774873144).

387830802215816 is a wasteful number, since it uses less digits than its factorization.

387830802215816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161615165 (or 161615161 counting only the distinct ones).

The product of its (nonzero) digits is 30965760, while the sum is 62.

The spelling of 387830802215816 in words is "three hundred eighty-seven trillion, eight hundred thirty billion, eight hundred two million, two hundred fifteen thousand, eight hundred sixteen".