381715872825 has 48 divisors (see below), whose sum is σ = 721325546496. Its totient is φ = 174483124800.

The previous prime is 381715872817. The next prime is 381715872833. The reversal of 381715872825 is 528278517183.

It is an interprime number because it is at equal distance from previous prime (381715872817) and next prime (381715872833).

It is not a de Polignac number, because 381715872825 - 2³ = 381715872817 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7546870 + ... + 7597280.

It is an arithmetic number, because the mean of its divisors is an integer number (15027615552).

Almost surely, 2^381715872825 is an apocalyptic number.

381715872825 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

381715872825 is a deficient number, since it is larger than the sum of its proper divisors (339609673671).

381715872825 is a wasteful number, since it uses less digits than its factorization.

381715872825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64854 (or 64849 counting only the distinct ones).

The product of its digits is 7526400, while the sum is 57.

The spelling of 381715872825 in words is "three hundred eighty-one billion, seven hundred fifteen million, eight hundred seventy-two thousand, eight hundred twenty-five".