7315916280077 has 2 divisors, whose sum is σ = 7315916280078. Its totient is φ = 7315916280076.

The previous prime is 7315916280059. The next prime is 7315916280161. The reversal of 7315916280077 is 7700826195137.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4111461850276 + 3204454429801 = 2027674^2 + 1790099^2 .

It is a cyclic number.

It is not a de Polignac number, because 7315916280077 - 2⁸ = 7315916279821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7315916220077) 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, 3657958140038 + 3657958140039.

It is an arithmetic number, because the mean of its divisors is an integer number (3657958140039).

Almost surely, 2^{7315916280077} is an apocalyptic number.

It is an amenable number.

7315916280077 is a deficient number, since it is larger than the sum of its proper divisors (1).

7315916280077 is an equidigital number, since it uses as much as digits as its factorization.

7315916280077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4445280, while the sum is 56.

The spelling of 7315916280077 in words is "seven trillion, three hundred fifteen billion, nine hundred sixteen million, two hundred eighty thousand, seventy-seven".