765306897 has 16 divisors (see below), whose sum is σ = 1071359040. Its totient is φ = 485255232.

The previous prime is 765306869. The next prime is 765306911. The reversal of 765306897 is 798603567.

It is not a de Polignac number, because 765306897 - 2⁷ = 765306769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (765306097) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59818 + ... + 71475.

It is an arithmetic number, because the mean of its divisors is an integer number (66959940).

Almost surely, 2^765306897 is an apocalyptic number.

It is an amenable number.

765306897 is a deficient number, since it is larger than the sum of its proper divisors (306052143).

765306897 is a wasteful number, since it uses less digits than its factorization.

765306897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131392.

The product of its (nonzero) digits is 1905120, while the sum is 51.

The square root of 765306897 is about 27664.1807577958. The cubic root of 765306897 is about 914.6997121454.

The spelling of 765306897 in words is "seven hundred sixty-five million, three hundred six thousand, eight hundred ninety-seven".