387401866971048 has 96 divisors (see below), whose sum is σ = 1152077447626560. Its totient is φ = 121537840608000.

The previous prime is 387401866971023. The next prime is 387401866971083. The reversal of 387401866971048 is 840179668104783.

387401866971048 is a `hidden beast` number, since 3 + 8 + 7 + 401 + 86 + 6 + 97 + 10 + 48 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5861166828 + ... + 5861232923.

It is an arithmetic number, because the mean of its divisors is an integer number (12000806746110).

Almost surely, 2^{387401866971048} is an apocalyptic number.

It is an amenable number.

387401866971048 is an abundant number, since it is smaller than the sum of its proper divisors (764675580655512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

387401866971048 is a wasteful number, since it uses less digits than its factorization.

387401866971048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11722399789 (or 11722399773 counting only the distinct ones).

The product of its (nonzero) digits is 390168576, while the sum is 72.

The spelling of 387401866971048 in words is "three hundred eighty-seven trillion, four hundred one billion, eight hundred sixty-six million, nine hundred seventy-one thousand, forty-eight".