387918262065 has 32 divisors (see below), whose sum is σ = 654142003200. Its totient is φ = 195759011520.

The previous prime is 387918262051. The next prime is 387918262073. The reversal of 387918262065 is 560262819783.

It is not a de Polignac number, because 387918262065 - 2⁶ = 387918262001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a junction number, because it is equal to n+sod(n) for n = 387918261996 and 387918262014.

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, 608025 + ... + 1070294.

It is an arithmetic number, because the mean of its divisors is an integer number (20441937600).

Almost surely, 2^387918262065 is an apocalyptic number.

It is an amenable number.

387918262065 is a deficient number, since it is larger than the sum of its proper divisors (266223741135).

387918262065 is a wasteful number, since it uses less digits than its factorization.

387918262065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1679157.

The product of its (nonzero) digits is 8709120, while the sum is 57.

The spelling of 387918262065 in words is "three hundred eighty-seven billion, nine hundred eighteen million, two hundred sixty-two thousand, sixty-five".