387407368646 has 8 divisors (see below), whose sum is σ = 585011127600. Its totient is φ = 192403659448.

The previous prime is 387407368571. The next prime is 387407368657. The reversal of 387407368646 is 646863704783.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 650012066 + ... + 650012661.

It is an arithmetic number, because the mean of its divisors is an integer number (73126390950).

Almost surely, 2^387407368646 is an apocalyptic number.

387407368646 is a deficient number, since it is larger than the sum of its proper divisors (197603758954).

387407368646 is a wasteful number, since it uses less digits than its factorization.

387407368646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300024878.

The product of its (nonzero) digits is 97542144, while the sum is 62.

The spelling of 387407368646 in words is "three hundred eighty-seven billion, four hundred seven million, three hundred sixty-eight thousand, six hundred forty-six".