678153620363 has 2 divisors, whose sum is σ = 678153620364. Its totient is φ = 678153620362.

The previous prime is 678153620273. The next prime is 678153620407. The reversal of 678153620363 is 363026351876.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 678153620363 - 2⁸ = 678153620107 is a prime.

It is a super-2 number, since 2×678153620363² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (678153640363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 339076810181 + 339076810182.

It is an arithmetic number, because the mean of its divisors is an integer number (339076810182).

Almost surely, 2^678153620363 is an apocalyptic number.

678153620363 is a deficient number, since it is larger than the sum of its proper divisors (1).

678153620363 is an equidigital number, since it uses as much as digits as its factorization.

678153620363 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3265920, while the sum is 50.

The spelling of 678153620363 in words is "six hundred seventy-eight billion, one hundred fifty-three million, six hundred twenty thousand, three hundred sixty-three".