766542043326 has 8 divisors (see below), whose sum is σ = 1533084086664. Its totient is φ = 255514014440.

The previous prime is 766542043307. The next prime is 766542043343. The reversal of 766542043326 is 623340245667.

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

766542043326 is an admirable number.

It is a super-2 number, since 2×766542043326² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63878503605 + ... + 63878503616.

It is an arithmetic number, because the mean of its divisors is an integer number (191635510833).

Almost surely, 2^766542043326 is an apocalyptic number.

766542043326 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

766542043326 is a wasteful number, since it uses less digits than its factorization.

766542043326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127757007226.

The product of its (nonzero) digits is 4354560, while the sum is 48.

The spelling of 766542043326 in words is "seven hundred sixty-six billion, five hundred forty-two million, forty-three thousand, three hundred twenty-six".