3890966687428 has 24 divisors (see below), whose sum is σ = 6894678672000. Its totient is φ = 1921081955040.

The previous prime is 3890966687411. The next prime is 3890966687431. The reversal of 3890966687428 is 8247866690983.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2267743 + ... + 3595078.

It is an arithmetic number, because the mean of its divisors is an integer number (287278278000).

Almost surely, 2^{3890966687428} is an apocalyptic number.

It is an amenable number.

3890966687428 is a deficient number, since it is larger than the sum of its proper divisors (3003711984572).

3890966687428 is a wasteful number, since it uses less digits than its factorization.

3890966687428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5864907 (or 5864905 counting only the distinct ones).

The product of its (nonzero) digits is 1504935936, while the sum is 76.

The spelling of 3890966687428 in words is "three trillion, eight hundred ninety billion, nine hundred sixty-six million, six hundred eighty-seven thousand, four hundred twenty-eight".