91763713 has 2 divisors, whose sum is σ = 91763714. Its totient is φ = 91763712.

The previous prime is 91763687. The next prime is 91763719. The reversal of 91763713 is 31736719.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88981489 + 2782224 = 9433^2 + 1668^2 .

It is a cyclic number.

It is not a de Polignac number, because 91763713 - 2¹⁷ = 91632641 is a prime.

It is not a weakly prime, because it can be changed into another prime (91763719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45881856 + 45881857.

It is an arithmetic number, because the mean of its divisors is an integer number (45881857).

Almost surely, 2^91763713 is an apocalyptic number.

It is an amenable number.

91763713 is a deficient number, since it is larger than the sum of its proper divisors (1).

91763713 is an equidigital number, since it uses as much as digits as its factorization.

91763713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23814, while the sum is 37.

The square root of 91763713 is about 9579.3378163629. The cubic root of 91763713 is about 451.0489325032.

The spelling of 91763713 in words is "ninety-one million, seven hundred sixty-three thousand, seven hundred thirteen".