387238866857 has 8 divisors (see below), whose sum is σ = 389818823040. Its totient is φ = 384659114400.

The previous prime is 387238866827. The next prime is 387238866863. The reversal of 387238866857 is 758668832783.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 387238866857 - 2³² = 382943899561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (387238866827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6945869 + ... + 7001397.

It is an arithmetic number, because the mean of its divisors is an integer number (48727352880).

Almost surely, 2^387238866857 is an apocalyptic number.

It is an amenable number.

387238866857 is a deficient number, since it is larger than the sum of its proper divisors (2579956183).

387238866857 is a wasteful number, since it uses less digits than its factorization.

387238866857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101863.

The product of its digits is 650280960, while the sum is 71.

The spelling of 387238866857 in words is "three hundred eighty-seven billion, two hundred thirty-eight million, eight hundred sixty-six thousand, eight hundred fifty-seven".