766500770 has 32 divisors (see below), whose sum is σ = 1600345728. Its totient is φ = 258876288.

The previous prime is 766500751. The next prime is 766500773. The reversal of 766500770 is 77005667.

It is not an unprimeable number, because it can be changed into a prime (766500773) 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, 77027 + ... + 86406.

It is an arithmetic number, because the mean of its divisors is an integer number (50010804).

Almost surely, 2^766500770 is an apocalyptic number.

766500770 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

766500770 is an abundant number, since it is smaller than the sum of its proper divisors (833844958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

766500770 is a wasteful number, since it uses less digits than its factorization.

766500770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163514.

The product of its (nonzero) digits is 61740, while the sum is 38.

The square root of 766500770 is about 27685.7503058884. The cubic root of 766500770 is about 915.1751065829.

The spelling of 766500770 in words is "seven hundred sixty-six million, five hundred thousand, seven hundred seventy".