766601093 has 2 divisors, whose sum is σ = 766601094. Its totient is φ = 766601092.

The previous prime is 766601071. The next prime is 766601107. The reversal of 766601093 is 390106667.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 627903364 + 138697729 = 25058^2 + 11777^2 .

It is a cyclic number.

It is not a de Polignac number, because 766601093 - 2⁶ = 766601029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (766603093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 383300546 + 383300547.

It is an arithmetic number, because the mean of its divisors is an integer number (383300547).

Almost surely, 2^766601093 is an apocalyptic number.

It is an amenable number.

766601093 is a deficient number, since it is larger than the sum of its proper divisors (1).

766601093 is an equidigital number, since it uses as much as digits as its factorization.

766601093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 766601093 is about 27687.5620631359. The cubic root of 766601093 is about 915.2150322253.

The spelling of 766601093 in words is "seven hundred sixty-six million, six hundred one thousand, ninety-three".