381184827870 has 128 divisors (see below), whose sum is σ = 1177377472512. Its totient is φ = 76652150400.

The previous prime is 381184827869. The next prime is 381184827923. The reversal of 381184827870 is 78728481183.

It is a self number, because there is not a number n which added to its sum of digits gives 381184827870.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2589924 + ... + 2733143.

It is an arithmetic number, because the mean of its divisors is an integer number (9198261504).

Almost surely, 2^381184827870 is an apocalyptic number.

381184827870 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

381184827870 is an abundant number, since it is smaller than the sum of its proper divisors (796192644642).

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

381184827870 is a wasteful number, since it uses less digits than its factorization.

381184827870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5323126.

The product of its (nonzero) digits is 4816896, while the sum is 57.

The spelling of 381184827870 in words is "three hundred eighty-one billion, one hundred eighty-four million, eight hundred twenty-seven thousand, eight hundred seventy".