76708399 has 2 divisors, whose sum is σ = 76708400. Its totient is φ = 76708398.

The previous prime is 76708397. The next prime is 76708409. The reversal of 76708399 is 99380767.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 76708399 - 2¹ = 76708397 is a prime.

Together with 76708397, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76708391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38354199 + 38354200.

It is an arithmetic number, because the mean of its divisors is an integer number (38354200).

Almost surely, 2^76708399 is an apocalyptic number.

76708399 is a deficient number, since it is larger than the sum of its proper divisors (1).

76708399 is an equidigital number, since it uses as much as digits as its factorization.

76708399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 571536, while the sum is 49.

The square root of 76708399 is about 8758.3331176657. Note that the first 3 decimals coincide. The cubic root of 76708399 is about 424.8943663652.

The spelling of 76708399 in words is "seventy-six million, seven hundred eight thousand, three hundred ninety-nine".