766077349 has 4 divisors (see below), whose sum is σ = 767638080. Its totient is φ = 764516620.

The previous prime is 766077337. The next prime is 766077371. The reversal of 766077349 is 943770667.

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 766077349 - 2¹⁷ = 765946277 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 (766077449) 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, 779629 + ... + 780610.

It is an arithmetic number, because the mean of its divisors is an integer number (191909520).

Almost surely, 2^766077349 is an apocalyptic number.

It is an amenable number.

766077349 is a deficient number, since it is larger than the sum of its proper divisors (1560731).

766077349 is a wasteful number, since it uses less digits than its factorization.

766077349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1560730.

The product of its (nonzero) digits is 1333584, while the sum is 49.

The square root of 766077349 is about 27678.1023374075. The cubic root of 766077349 is about 915.0065589226.

The spelling of 766077349 in words is "seven hundred sixty-six million, seventy-seven thousand, three hundred forty-nine".