7945325477 has 2 divisors, whose sum is σ = 7945325478. Its totient is φ = 7945325476.

The previous prime is 7945325467. The next prime is 7945325491. The reversal of 7945325477 is 7745235497.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7373828641 + 571496836 = 85871^2 + 23906^2 .

It is an emirp because it is prime and its reverse (7745235497) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7945325477 - 2⁴ = 7945325461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7945325467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3972662738 + 3972662739.

It is an arithmetic number, because the mean of its divisors is an integer number (3972662739).

Almost surely, 2^7945325477 is an apocalyptic number.

It is an amenable number.

7945325477 is a deficient number, since it is larger than the sum of its proper divisors (1).

7945325477 is an equidigital number, since it uses as much as digits as its factorization.

7945325477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7408800, while the sum is 53.

The square root of 7945325477 is about 89136.5552228714. Note that the first 3 decimals coincide. The cubic root of 7945325477 is about 1995.4333706342.

The spelling of 7945325477 in words is "seven billion, nine hundred forty-five million, three hundred twenty-five thousand, four hundred seventy-seven".