245378087767 has 2 divisors, whose sum is σ = 245378087768. Its totient is φ = 245378087766.

The previous prime is 245378087723. The next prime is 245378087803. The reversal of 245378087767 is 767780873542.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 245378087767 - 2¹⁹ = 245377563479 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 245378087699 and 245378087708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245378687767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122689043883 + 122689043884.

It is an arithmetic number, because the mean of its divisors is an integer number (122689043884).

Almost surely, 2^245378087767 is an apocalyptic number.

245378087767 is a deficient number, since it is larger than the sum of its proper divisors (1).

245378087767 is an equidigital number, since it uses as much as digits as its factorization.

245378087767 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 110638080, while the sum is 64.

The spelling of 245378087767 in words is "two hundred forty-five billion, three hundred seventy-eight million, eighty-seven thousand, seven hundred sixty-seven".