381055034987 has 8 divisors (see below), whose sum is σ = 415714041072. Its totient is φ = 346398968800.

The previous prime is 381055034977. The next prime is 381055034989. The reversal of 381055034987 is 789430550183.

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

It is a cyclic number.

It is not a de Polignac number, because 381055034987 - 2²² = 381050840683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (381055034989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 459464 + ... + 986517.

It is an arithmetic number, because the mean of its divisors is an integer number (51964255134).

Almost surely, 2^381055034987 is an apocalyptic number.

381055034987 is a deficient number, since it is larger than the sum of its proper divisors (34659006085).

381055034987 is a wasteful number, since it uses less digits than its factorization.

381055034987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1469949.

The product of its (nonzero) digits is 3628800, while the sum is 53.

The spelling of 381055034987 in words is "three hundred eighty-one billion, fifty-five million, thirty-four thousand, nine hundred eighty-seven".