766745199 has 12 divisors (see below), whose sum is σ = 1208204712. Its totient is φ = 464694000.

The previous prime is 766745197. The next prime is 766745219. The reversal of 766745199 is 991547667.

It is not a de Polignac number, because 766745199 - 2¹ = 766745197 is a prime.

It is a super-4 number, since 4×766745199⁴ (a number of 37 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (766745197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3872352 + ... + 3872549.

It is an arithmetic number, because the mean of its divisors is an integer number (100683726).

Almost surely, 2^766745199 is an apocalyptic number.

766745199 is a deficient number, since it is larger than the sum of its proper divisors (441459513).

766745199 is a wasteful number, since it uses less digits than its factorization.

766745199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7744918 (or 7744915 counting only the distinct ones).

The product of its digits is 2857680, while the sum is 54.

The square root of 766745199 is about 27690.1643007043. The cubic root of 766745199 is about 915.2723761361.

The spelling of 766745199 in words is "seven hundred sixty-six million, seven hundred forty-five thousand, one hundred ninety-nine".