7785632473 has 2 divisors, whose sum is σ = 7785632474. Its totient is φ = 7785632472.

The previous prime is 7785632471. The next prime is 7785632551. The reversal of 7785632473 is 3742365877.

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., 7564128784 + 221503689 = 86972^2 + 14883^2 .

It is a cyclic number.

It is not a de Polignac number, because 7785632473 - 2¹ = 7785632471 is a prime.

Together with 7785632471, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 7785632473.

It is not a weakly prime, because it can be changed into another prime (7785632471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3892816236 + 3892816237.

It is an arithmetic number, because the mean of its divisors is an integer number (3892816237).

Almost surely, 2^7785632473 is an apocalyptic number.

It is an amenable number.

7785632473 is a deficient number, since it is larger than the sum of its proper divisors (1).

7785632473 is an equidigital number, since it uses as much as digits as its factorization.

7785632473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5927040, while the sum is 52.

The square root of 7785632473 is about 88236.2310675156. The cubic root of 7785632473 is about 1981.9740602692.

The spelling of 7785632473 in words is "seven billion, seven hundred eighty-five million, six hundred thirty-two thousand, four hundred seventy-three".