766147772740 has 48 divisors (see below), whose sum is σ = 1838858241024. Its totient is φ = 262664438400.

The previous prime is 766147772729. The next prime is 766147772783. The reversal of 766147772740 is 47277741667.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2502850 + ... + 2792230.

It is an arithmetic number, because the mean of its divisors is an integer number (38309546688).

Almost surely, 2^766147772740 is an apocalyptic number.

766147772740 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

766147772740 is an abundant number, since it is smaller than the sum of its proper divisors (1072710468284).

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

766147772740 is a wasteful number, since it uses less digits than its factorization.

766147772740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308308 (or 308306 counting only the distinct ones).

The product of its (nonzero) digits is 19361664, while the sum is 58.

The spelling of 766147772740 in words is "seven hundred sixty-six billion, one hundred forty-seven million, seven hundred seventy-two thousand, seven hundred forty".