766280099 has 4 divisors (see below), whose sum is σ = 825224736. Its totient is φ = 707335464.

The previous prime is 766280093. The next prime is 766280107. The reversal of 766280099 is 990082667.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 766280099 - 2¹⁶ = 766214563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (766280093) 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, 29472299 + ... + 29472324.

It is an arithmetic number, because the mean of its divisors is an integer number (206306184).

Almost surely, 2^766280099 is an apocalyptic number.

766280099 is a deficient number, since it is larger than the sum of its proper divisors (58944637).

766280099 is a wasteful number, since it uses less digits than its factorization.

766280099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58944636.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 766280099 is about 27681.7647378197. The cubic root of 766280099 is about 915.0872736686.

The spelling of 766280099 in words is "seven hundred sixty-six million, two hundred eighty thousand, ninety-nine".