387874851 has 32 divisors (see below), whose sum is σ = 637690368. Its totient is φ = 204215040.

The previous prime is 387874849. The next prime is 387874889. The reversal of 387874851 is 158478783.

It is not a de Polignac number, because 387874851 - 2¹ = 387874849 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 387874794 and 387874803.

It is not an unprimeable number, because it can be changed into a prime (387874831) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 206820 + ... + 208686.

It is an arithmetic number, because the mean of its divisors is an integer number (19927824).

Almost surely, 2^387874851 is an apocalyptic number.

387874851 is a deficient number, since it is larger than the sum of its proper divisors (249815517).

387874851 is a wasteful number, since it uses less digits than its factorization.

387874851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2651.

The product of its digits is 1505280, while the sum is 51.

The square root of 387874851 is about 19694.5386084569. The cubic root of 387874851 is about 729.2848760836.

The spelling of 387874851 in words is "three hundred eighty-seven million, eight hundred seventy-four thousand, eight hundred fifty-one".