977325639509929 has 2 divisors, whose sum is σ = 977325639509930. Its totient is φ = 977325639509928.

The previous prime is 977325639509867. The next prime is 977325639509951. The reversal of 977325639509929 is 929905936523779.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 560284995715600 + 417040643794329 = 23670340^2 + 20421573^2 .

It is a cyclic number.

It is not a de Polignac number, because 977325639509929 - 2⁷ = 977325639509801 is a prime.

It is not a weakly prime, because it can be changed into another prime (977325639509969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 488662819754964 + 488662819754965.

It is an arithmetic number, because the mean of its divisors is an integer number (488662819754965).

Almost surely, 2^{977325639509929} is an apocalyptic number.

It is an amenable number.

977325639509929 is a deficient number, since it is larger than the sum of its proper divisors (1).

977325639509929 is an equidigital number, since it uses as much as digits as its factorization.

977325639509929 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15624365400, while the sum is 85.

The spelling of 977325639509929 in words is "nine hundred seventy-seven trillion, three hundred twenty-five billion, six hundred thirty-nine million, five hundred nine thousand, nine hundred twenty-nine".