766208567872 has 56 divisors (see below), whose sum is σ = 1697241138912. Its totient is φ = 340177152000.

The previous prime is 766208567857. The next prime is 766208567879. The reversal of 766208567872 is 278765802667.

It is a super-2 number, since 2×766208567872² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is not an unprimeable number, because it can be changed into a prime (766208567879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12625129 + ... + 12685672.

Almost surely, 2^766208567872 is an apocalyptic number.

It is an amenable number.

766208567872 is an abundant number, since it is smaller than the sum of its proper divisors (931032571040).

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

766208567872 is a wasteful number, since it uses less digits than its factorization.

766208567872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25310867 (or 25310857 counting only the distinct ones).

The product of its (nonzero) digits is 94832640, while the sum is 64.

The spelling of 766208567872 in words is "seven hundred sixty-six billion, two hundred eight million, five hundred sixty-seven thousand, eight hundred seventy-two".