766710077 has 4 divisors (see below), whose sum is σ = 876240096. Its totient is φ = 657180060.

The previous prime is 766710001. The next prime is 766710103. The reversal of 766710077 is 770017667.

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.

It is a cyclic number.

It is not a de Polignac number, because 766710077 - 2²⁴ = 749932861 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 (766710277) 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, 54764999 + ... + 54765012.

It is an arithmetic number, because the mean of its divisors is an integer number (219060024).

Almost surely, 2^766710077 is an apocalyptic number.

It is an amenable number.

766710077 is a deficient number, since it is larger than the sum of its proper divisors (109530019).

766710077 is a wasteful number, since it uses less digits than its factorization.

766710077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109530018.

The product of its (nonzero) digits is 86436, while the sum is 41.

The square root of 766710077 is about 27689.5300971324. The cubic root of 766710077 is about 915.2584007471.

The spelling of 766710077 in words is "seven hundred sixty-six million, seven hundred ten thousand, seventy-seven".