7715654461 has 2 divisors, whose sum is σ = 7715654462. Its totient is φ = 7715654460.

The previous prime is 7715654431. The next prime is 7715654473. The reversal of 7715654461 is 1644565177.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7707786436 + 7868025 = 87794^2 + 2805^2 .

It is an emirp because it is prime and its reverse (1644565177) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7715654461 - 2¹⁹ = 7715130173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7715654431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3857827230 + 3857827231.

It is an arithmetic number, because the mean of its divisors is an integer number (3857827231).

Almost surely, 2^7715654461 is an apocalyptic number.

It is an amenable number.

7715654461 is a deficient number, since it is larger than the sum of its proper divisors (1).

7715654461 is an equidigital number, since it uses as much as digits as its factorization.

7715654461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 705600, while the sum is 46.

The square root of 7715654461 is about 87838.7981532079. The cubic root of 7715654461 is about 1976.0181225869.

The spelling of 7715654461 in words is "seven billion, seven hundred fifteen million, six hundred fifty-four thousand, four hundred sixty-one".