3861773687940 has 48 divisors (see below), whose sum is σ = 12357675802752. Its totient is φ = 882691128576.

The previous prime is 3861773687909. The next prime is 3861773687971. The reversal of 3861773687940 is 497863771683.

It is an interprime number because it is at equal distance from previous prime (3861773687909) and next prime (3861773687971).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4597349209 + ... + 4597350048.

It is an arithmetic number, because the mean of its divisors is an integer number (257451579224).

Almost surely, 2^{3861773687940} is an apocalyptic number.

3861773687940 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3861773687940 is an abundant number, since it is smaller than the sum of its proper divisors (8495902114812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3861773687940 is a wasteful number, since it uses less digits than its factorization.

3861773687940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9194699276 (or 9194699274 counting only the distinct ones).

The product of its (nonzero) digits is 256048128, while the sum is 69.

The spelling of 3861773687940 in words is "three trillion, eight hundred sixty-one billion, seven hundred seventy-three million, six hundred eighty-seven thousand, nine hundred forty".