76698893 has 2 divisors, whose sum is σ = 76698894. Its totient is φ = 76698892.

The previous prime is 76698887. The next prime is 76698913. The reversal of 76698893 is 39889667.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61434244 + 15264649 = 7838^2 + 3907^2 .

It is a cyclic number.

It is not a de Polignac number, because 76698893 - 2⁶ = 76698829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76698803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38349446 + 38349447.

It is an arithmetic number, because the mean of its divisors is an integer number (38349447).

Almost surely, 2^76698893 is an apocalyptic number.

It is an amenable number.

76698893 is a deficient number, since it is larger than the sum of its proper divisors (1).

76698893 is an equidigital number, since it uses as much as digits as its factorization.

76698893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3919104, while the sum is 56.

The square root of 76698893 is about 8757.7904176796. The cubic root of 76698893 is about 424.8768141251.

The spelling of 76698893 in words is "seventy-six million, six hundred ninety-eight thousand, eight hundred ninety-three".