768977069 has 4 divisors (see below), whose sum is σ = 878830944. Its totient is φ = 659123196.

The previous prime is 768977039. The next prime is 768977071. The reversal of 768977069 is 960779867.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 960779867 = 12157 ⋅79031.

It is a cyclic number.

It is not a de Polignac number, because 768977069 - 2²⁴ = 752199853 is a prime.

It is a super-2 number, since 2×768977069² = 1182651465295661522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 768976999 and 768977017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (768977029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54926927 + ... + 54926940.

It is an arithmetic number, because the mean of its divisors is an integer number (219707736).

Almost surely, 2^768977069 is an apocalyptic number.

It is an amenable number.

768977069 is a deficient number, since it is larger than the sum of its proper divisors (109853875).

768977069 is a wasteful number, since it uses less digits than its factorization.

768977069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109853874.

The product of its (nonzero) digits is 8001504, while the sum is 59.

The square root of 768977069 is about 27730.4357881372. The cubic root of 768977069 is about 916.1595853004.

The spelling of 768977069 in words is "seven hundred sixty-eight million, nine hundred seventy-seven thousand, sixty-nine".