3870940932487 has 2 divisors, whose sum is σ = 3870940932488. Its totient is φ = 3870940932486.

The previous prime is 3870940932457. The next prime is 3870940932497. The reversal of 3870940932487 is 7842390490783.

It is a strong prime.

It is an emirp because it is prime and its reverse (7842390490783) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3870940932487 - 2⁷ = 3870940932359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3870940932427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1935470466243 + 1935470466244.

It is an arithmetic number, because the mean of its divisors is an integer number (1935470466244).

Almost surely, 2^{3870940932487} is an apocalyptic number.

3870940932487 is a deficient number, since it is larger than the sum of its proper divisors (1).

3870940932487 is an equidigital number, since it uses as much as digits as its factorization.

3870940932487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 73156608, while the sum is 64.

The spelling of 3870940932487 in words is "three trillion, eight hundred seventy billion, nine hundred forty million, nine hundred thirty-two thousand, four hundred eighty-seven".