3680786375771 has 2 divisors, whose sum is σ = 3680786375772. Its totient is φ = 3680786375770.

The previous prime is 3680786375743. The next prime is 3680786375821. The reversal of 3680786375771 is 1775736870863.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3680786375771 is a prime.

It is a super-2 number, since 2×3680786375771² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3680786375171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1840393187885 + 1840393187886.

It is an arithmetic number, because the mean of its divisors is an integer number (1840393187886).

Almost surely, 2^{3680786375771} is an apocalyptic number.

3680786375771 is a deficient number, since it is larger than the sum of its proper divisors (1).

3680786375771 is an equidigital number, since it uses as much as digits as its factorization.

3680786375771 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248935680, while the sum is 68.

The spelling of 3680786375771 in words is "three trillion, six hundred eighty billion, seven hundred eighty-six million, three hundred seventy-five thousand, seven hundred seventy-one".