768893077 has 4 divisors (see below), whose sum is σ = 768948736. Its totient is φ = 768837420.

The previous prime is 768893071. The next prime is 768893089. The reversal of 768893077 is 770398867.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 768893077 - 2¹¹ = 768891029 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 (768893071) 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, 10378 + ... + 40564.

It is an arithmetic number, because the mean of its divisors is an integer number (192237184).

Almost surely, 2^768893077 is an apocalyptic number.

It is an amenable number.

768893077 is a deficient number, since it is larger than the sum of its proper divisors (55659).

768893077 is a wasteful number, since it uses less digits than its factorization.

768893077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55658.

The product of its (nonzero) digits is 3556224, while the sum is 55.

The square root of 768893077 is about 27728.9213097084. The cubic root of 768893077 is about 916.1262280518.

The spelling of 768893077 in words is "seven hundred sixty-eight million, eight hundred ninety-three thousand, seventy-seven".