381457411587 has 64 divisors (see below), whose sum is σ = 696428006400. Its totient is φ = 201466517760.

The previous prime is 381457411571. The next prime is 381457411589. The reversal of 381457411587 is 785114754183.

It is a happy number.

381457411587 is a `hidden beast` number, since 3 + 8 + 1 + 4 + 57 + 4 + 1 + 1 + 587 = 666.

It is not a de Polignac number, because 381457411587 - 2⁴ = 381457411571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (381457411589) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1148208 + ... + 1442669.

It is an arithmetic number, because the mean of its divisors is an integer number (10881687600).

Almost surely, 2^381457411587 is an apocalyptic number.

381457411587 is a deficient number, since it is larger than the sum of its proper divisors (314970594813).

381457411587 is a wasteful number, since it uses less digits than its factorization.

381457411587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2590953 (or 2590947 counting only the distinct ones).

The product of its digits is 3763200, while the sum is 54.

The spelling of 381457411587 in words is "three hundred eighty-one billion, four hundred fifty-seven million, four hundred eleven thousand, five hundred eighty-seven".