76965397 has 2 divisors, whose sum is σ = 76965398. Its totient is φ = 76965396.

The previous prime is 76965389. The next prime is 76965401. The reversal of 76965397 is 79356967.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46594276 + 30371121 = 6826^2 + 5511^2 .

It is an emirp because it is prime and its reverse (79356967) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 76965397 - 2³ = 76965389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76965697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38482698 + 38482699.

It is an arithmetic number, because the mean of its divisors is an integer number (38482699).

Almost surely, 2^76965397 is an apocalyptic number.

It is an amenable number.

76965397 is a deficient number, since it is larger than the sum of its proper divisors (1).

76965397 is an equidigital number, since it uses as much as digits as its factorization.

76965397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2143260, while the sum is 52.

The square root of 76965397 is about 8772.9924769146. The cubic root of 76965397 is about 425.3683487096.

It can be divided in two parts, 769 and 65397, that added together give a palindrome (66166).

The spelling of 76965397 in words is "seventy-six million, nine hundred sixty-five thousand, three hundred ninety-seven".