612378282787 has 2 divisors, whose sum is σ = 612378282788. Its totient is φ = 612378282786.

The previous prime is 612378282779. The next prime is 612378282809. The reversal of 612378282787 is 787282873216.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 612378282787 - 2³ = 612378282779 is a prime.

It is a super-2 number, since 2×612378282787² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (612378283787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306189141393 + 306189141394.

It is an arithmetic number, because the mean of its divisors is an integer number (306189141394).

Almost surely, 2^612378282787 is an apocalyptic number.

612378282787 is a deficient number, since it is larger than the sum of its proper divisors (1).

612378282787 is an equidigital number, since it uses as much as digits as its factorization.

612378282787 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25288704, while the sum is 61.

The spelling of 612378282787 in words is "six hundred twelve billion, three hundred seventy-eight million, two hundred eighty-two thousand, seven hundred eighty-seven".