676145772437 has 2 divisors, whose sum is σ = 676145772438. Its totient is φ = 676145772436.

The previous prime is 676145772433. The next prime is 676145772473. The reversal of 676145772437 is 734277541676.

Together with next prime (676145772473) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 601445229841 + 74700542596 = 775529^2 + 273314^2 .

It is a cyclic number.

It is not a de Polignac number, because 676145772437 - 2² = 676145772433 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (676145772433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338072886218 + 338072886219.

It is an arithmetic number, because the mean of its divisors is an integer number (338072886219).

Almost surely, 2^676145772437 is an apocalyptic number.

It is an amenable number.

676145772437 is a deficient number, since it is larger than the sum of its proper divisors (1).

676145772437 is an equidigital number, since it uses as much as digits as its factorization.

676145772437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41489280, while the sum is 59.

The spelling of 676145772437 in words is "six hundred seventy-six billion, one hundred forty-five million, seven hundred seventy-two thousand, four hundred thirty-seven".