96693781 has 2 divisors, whose sum is σ = 96693782. Its totient is φ = 96693780.

The previous prime is 96693769. The next prime is 96693787. The reversal of 96693781 is 18739669.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89586225 + 7107556 = 9465^2 + 2666^2 .

It is a cyclic number.

It is not a de Polignac number, because 96693781 - 2⁵ = 96693749 is a prime.

It is a super-2 number, since 2×96693781² = 18699374568151922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (96693787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48346890 + 48346891.

It is an arithmetic number, because the mean of its divisors is an integer number (48346891).

Almost surely, 2^96693781 is an apocalyptic number.

It is an amenable number.

96693781 is a deficient number, since it is larger than the sum of its proper divisors (1).

96693781 is an equidigital number, since it uses as much as digits as its factorization.

96693781 is an evil number, because the sum of its binary digits is even.

The product of its digits is 489888, while the sum is 49.

The square root of 96693781 is about 9833.2995988122. The cubic root of 96693781 is about 458.9860796388.

The spelling of 96693781 in words is "ninety-six million, six hundred ninety-three thousand, seven hundred eighty-one".