387056454548872 has 8 divisors (see below), whose sum is σ = 725730852279150. Its totient is φ = 193528227274432.

The previous prime is 387056454548867. The next prime is 387056454548893. The reversal of 387056454548872 is 278845454650783.

It can be written as a sum of positive squares in only one way, i.e., 221259258545796 + 165797196003076 = 14874786^2 + 12876226^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24191028409297 + ... + 24191028409312.

Almost surely, 2^{387056454548872} is an apocalyptic number.

It is an amenable number.

387056454548872 is a deficient number, since it is larger than the sum of its proper divisors (338674397730278).

387056454548872 is a wasteful number, since it uses less digits than its factorization.

387056454548872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48382056818615 (or 48382056818611 counting only the distinct ones).

The product of its (nonzero) digits is 7225344000, while the sum is 76.

The spelling of 387056454548872 in words is "three hundred eighty-seven trillion, fifty-six billion, four hundred fifty-four million, five hundred forty-eight thousand, eight hundred seventy-two".