2864120387 has 2 divisors, whose sum is σ = 2864120388. Its totient is φ = 2864120386.

The previous prime is 2864120377. The next prime is 2864120419. The reversal of 2864120387 is 7830214682.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2864120387 - 2¹² = 2864116291 is a prime.

It is not a weakly prime, because it can be changed into another prime (2864120377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1432060193 + 1432060194.

It is an arithmetic number, because the mean of its divisors is an integer number (1432060194).

Almost surely, 2^2864120387 is an apocalyptic number.

2864120387 is a deficient number, since it is larger than the sum of its proper divisors (1).

2864120387 is an equidigital number, since it uses as much as digits as its factorization.

2864120387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 2864120387 is about 53517.4773975755. The cubic root of 2864120387 is about 1420.1375894915.

The spelling of 2864120387 in words is "two billion, eight hundred sixty-four million, one hundred twenty thousand, three hundred eighty-seven".