76364289893 has 2 divisors, whose sum is σ = 76364289894. Its totient is φ = 76364289892.

The previous prime is 76364289877. The next prime is 76364289929. The reversal of 76364289893 is 39898246367.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54860413729 + 21503876164 = 234223^2 + 146642^2 .

It is a cyclic number.

It is not a de Polignac number, because 76364289893 - 2⁴ = 76364289877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76364289853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38182144946 + 38182144947.

It is an arithmetic number, because the mean of its divisors is an integer number (38182144947).

Almost surely, 2^76364289893 is an apocalyptic number.

It is an amenable number.

76364289893 is a deficient number, since it is larger than the sum of its proper divisors (1).

76364289893 is an equidigital number, since it uses as much as digits as its factorization.

76364289893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 94058496, while the sum is 65.

The spelling of 76364289893 in words is "seventy-six billion, three hundred sixty-four million, two hundred eighty-nine thousand, eight hundred ninety-three".