766897255 has 8 divisors (see below), whose sum is σ = 921981024. Its totient is φ = 612381600.

The previous prime is 766897253. The next prime is 766897277. The reversal of 766897255 is 552798667.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 766897255 - 2¹ = 766897253 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 766897196 and 766897205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (766897253) 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 7 ways as a sum of consecutive naturals, for example, 139051 + ... + 144460.

It is an arithmetic number, because the mean of its divisors is an integer number (115247628).

Almost surely, 2^766897255 is an apocalyptic number.

766897255 is a deficient number, since it is larger than the sum of its proper divisors (155083769).

766897255 is a wasteful number, since it uses less digits than its factorization.

766897255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284057.

The product of its digits is 6350400, while the sum is 55.

The square root of 766897255 is about 27692.9098326629. The cubic root of 766897255 is about 915.3328757900.

The spelling of 766897255 in words is "seven hundred sixty-six million, eight hundred ninety-seven thousand, two hundred fifty-five".