85977416667007 has 2 divisors, whose sum is σ = 85977416667008. Its totient is φ = 85977416667006.

The previous prime is 85977416666989. The next prime is 85977416667017. The reversal of 85977416667007 is 70076661477958.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85977416667007 - 2¹⁹ = 85977416142719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85977416667017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42988708333503 + 42988708333504.

It is an arithmetic number, because the mean of its divisors is an integer number (42988708333504).

Almost surely, 2^{85977416667007} is an apocalyptic number.

85977416667007 is a deficient number, since it is larger than the sum of its proper divisors (1).

85977416667007 is an equidigital number, since it uses as much as digits as its factorization.

85977416667007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 746807040, while the sum is 73.

The spelling of 85977416667007 in words is "eighty-five trillion, nine hundred seventy-seven billion, four hundred sixteen million, six hundred sixty-seven thousand, seven".