977325639640919 has 2 divisors, whose sum is σ = 977325639640920. Its totient is φ = 977325639640918.

The previous prime is 977325639640829. The next prime is 977325639641003. The reversal of 977325639640919 is 919046936523779.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 977325639640919 - 2³⁶ = 977256920164183 is a prime.

It is a super-2 number, since 2×977325639640919² (a number of 31 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (977325639646919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 488662819820459 + 488662819820460.

It is an arithmetic number, because the mean of its divisors is an integer number (488662819820460).

Almost surely, 2^{977325639640919} is an apocalyptic number.

977325639640919 is a deficient number, since it is larger than the sum of its proper divisors (1).

977325639640919 is an equidigital number, since it uses as much as digits as its factorization.

977325639640919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4166497440, while the sum is 80.

The spelling of 977325639640919 in words is "nine hundred seventy-seven trillion, three hundred twenty-five billion, six hundred thirty-nine million, six hundred forty thousand, nine hundred nineteen".