7716651851 has 2 divisors, whose sum is σ = 7716651852. Its totient is φ = 7716651850.

The previous prime is 7716651841. The next prime is 7716651863. The reversal of 7716651851 is 1581566177.

It is a weak prime.

It is an emirp because it is prime and its reverse (1581566177) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7716651851 - 2¹⁴ = 7716635467 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7716651796 and 7716651805.

It is not a weakly prime, because it can be changed into another prime (7716651841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3858325925 + 3858325926.

It is an arithmetic number, because the mean of its divisors is an integer number (3858325926).

Almost surely, 2^7716651851 is an apocalyptic number.

7716651851 is a deficient number, since it is larger than the sum of its proper divisors (1).

7716651851 is an equidigital number, since it uses as much as digits as its factorization.

7716651851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 352800, while the sum is 47.

The square root of 7716651851 is about 87844.4753584424. The cubic root of 7716651851 is about 1976.1032644591.

The spelling of 7716651851 in words is "seven billion, seven hundred sixteen million, six hundred fifty-one thousand, eight hundred fifty-one".