385019671887 has 6 divisors (see below), whose sum is σ = 556139526072. Its totient is φ = 256679781252.

The previous prime is 385019671879. The next prime is 385019671891. The reversal of 385019671887 is 788176910583.

385019671887 is a `hidden beast` number, since 38 + 501 + 9 + 6 + 7 + 18 + 87 = 666.

It is not a de Polignac number, because 385019671887 - 2³ = 385019671879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385019671877) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21389981763 + ... + 21389981780.

It is an arithmetic number, because the mean of its divisors is an integer number (92689921012).

Almost surely, 2^385019671887 is an apocalyptic number.

385019671887 is a deficient number, since it is larger than the sum of its proper divisors (171119854185).

385019671887 is a wasteful number, since it uses less digits than its factorization.

385019671887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42779963549 (or 42779963546 counting only the distinct ones).

The product of its (nonzero) digits is 20321280, while the sum is 63.

The spelling of 385019671887 in words is "three hundred eighty-five billion, nineteen million, six hundred seventy-one thousand, eight hundred eighty-seven".