3631597786879 has 2 divisors, whose sum is σ = 3631597786880. Its totient is φ = 3631597786878.

The previous prime is 3631597786853. The next prime is 3631597786903. The reversal of 3631597786879 is 9786877951363.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3631597786879 - 2¹³ = 3631597778687 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3631597786799 and 3631597786808.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3631597786379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1815798893439 + 1815798893440.

It is an arithmetic number, because the mean of its divisors is an integer number (1815798893440).

Almost surely, 2^{3631597786879} is an apocalyptic number.

3631597786879 is a deficient number, since it is larger than the sum of its proper divisors (1).

3631597786879 is an equidigital number, since it uses as much as digits as its factorization.

3631597786879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880541440, while the sum is 79.

The spelling of 3631597786879 in words is "three trillion, six hundred thirty-one billion, five hundred ninety-seven million, seven hundred eighty-six thousand, eight hundred seventy-nine".