7698065399 has 4 divisors (see below), whose sum is σ = 7963515960. Its totient is φ = 7432614840.

The previous prime is 7698065393. The next prime is 7698065429. The reversal of 7698065399 is 9935608967.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9935608967 = 431 ⋅23052457.

It is a cyclic number.

It is not a de Polignac number, because 7698065399 - 2¹⁶ = 7697999863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7698065393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132725237 + ... + 132725294.

It is an arithmetic number, because the mean of its divisors is an integer number (1990878990).

Almost surely, 2^7698065399 is an apocalyptic number.

7698065399 is a deficient number, since it is larger than the sum of its proper divisors (265450561).

7698065399 is a wasteful number, since it uses less digits than its factorization.

7698065399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265450560.

The product of its (nonzero) digits is 22044960, while the sum is 62.

The square root of 7698065399 is about 87738.6197691758. The cubic root of 7698065399 is about 1974.5154308930.

The spelling of 7698065399 in words is "seven billion, six hundred ninety-eight million, sixty-five thousand, three hundred ninety-nine".