3825781006 has 8 divisors (see below), whose sum is σ = 5747381640. Its totient is φ = 1909987128.

The previous prime is 3825780979. The next prime is 3825781051. The reversal of 3825781006 is 6001875283.

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

It is a self number, because there is not a number n which added to its sum of digits gives 3825781006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1450041 + ... + 1452676.

It is an arithmetic number, because the mean of its divisors is an integer number (718422705).

Almost surely, 2^3825781006 is an apocalyptic number.

3825781006 is a deficient number, since it is larger than the sum of its proper divisors (1921600634).

3825781006 is a wasteful number, since it uses less digits than its factorization.

3825781006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2903378.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 3825781006 is about 61852.8981212683. The cubic root of 3825781006 is about 1564.0118367312.

The spelling of 3825781006 in words is "three billion, eight hundred twenty-five million, seven hundred eighty-one thousand, six".