3926879987 has 2 divisors, whose sum is σ = 3926879988. Its totient is φ = 3926879986.

The previous prime is 3926879977. The next prime is 3926880007. The reversal of 3926879987 is 7899786293.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3926879987 - 2¹² = 3926875891 is a prime.

It is a super-2 number, since 2×3926879987² = 30840772864602240338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3926879977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1963439993 + 1963439994.

It is an arithmetic number, because the mean of its divisors is an integer number (1963439994).

Almost surely, 2^3926879987 is an apocalyptic number.

3926879987 is a deficient number, since it is larger than the sum of its proper divisors (1).

3926879987 is an equidigital number, since it uses as much as digits as its factorization.

3926879987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82301184, while the sum is 68.

The square root of 3926879987 is about 62664.8225641787. The cubic root of 3926879987 is about 1577.6689423856.

The spelling of 3926879987 in words is "three billion, nine hundred twenty-six million, eight hundred seventy-nine thousand, nine hundred eighty-seven".