7475878790377 has 2 divisors, whose sum is σ = 7475878790378. Its totient is φ = 7475878790376.

The previous prime is 7475878790357. The next prime is 7475878790389. The reversal of 7475878790377 is 7730978785747.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6425712940201 + 1050165850176 = 2534899^2 + 1024776^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7475878790377 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7475878790297 and 7475878790306.

It is not a weakly prime, because it can be changed into another prime (7475878790357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3737939395188 + 3737939395189.

It is an arithmetic number, because the mean of its divisors is an integer number (3737939395189).

Almost surely, 2^{7475878790377} is an apocalyptic number.

It is an amenable number.

7475878790377 is a deficient number, since it is larger than the sum of its proper divisors (1).

7475878790377 is an equidigital number, since it uses as much as digits as its factorization.

7475878790377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4065949440, while the sum is 79.

The spelling of 7475878790377 in words is "seven trillion, four hundred seventy-five billion, eight hundred seventy-eight million, seven hundred ninety thousand, three hundred seventy-seven".