3826578961925 has 24 divisors (see below), whose sum is σ = 4876730393832. Its totient is φ = 2976368544000.

The previous prime is 3826578961903. The next prime is 3826578961939. The reversal of 3826578961925 is 5291698756283.

It can be written as a sum of positive squares in 12 ways, for example, as 236793184996 + 3589785776929 = 486614^2 + 1894673^2 .

It is not a de Polignac number, because 3826578961925 - 2⁶ = 3826578961861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 220346 + ... + 2775195.

It is an arithmetic number, because the mean of its divisors is an integer number (203197099743).

Almost surely, 2^{3826578961925} is an apocalyptic number.

It is an amenable number.

3826578961925 is a deficient number, since it is larger than the sum of its proper divisors (1050151431907).

3826578961925 is a wasteful number, since it uses less digits than its factorization.

3826578961925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2996969 (or 2996964 counting only the distinct ones).

The product of its digits is 391910400, while the sum is 71.

The spelling of 3826578961925 in words is "three trillion, eight hundred twenty-six billion, five hundred seventy-eight million, nine hundred sixty-one thousand, nine hundred twenty-five".