776338015223 has 12 divisors (see below), whose sum is σ = 805419719640. Its totient is φ = 747416579616.

The previous prime is 776338015213. The next prime is 776338015237. The reversal of 776338015223 is 322510833677.

776338015223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-776338015223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (776338015213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3422336 + ... + 3642122.

It is an arithmetic number, because the mean of its divisors is an integer number (67118309970).

Almost surely, 2^776338015223 is an apocalyptic number.

776338015223 is a deficient number, since it is larger than the sum of its proper divisors (29081704417).

776338015223 is an equidigital number, since it uses as much as digits as its factorization.

776338015223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220514 (or 220165 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 47.

The spelling of 776338015223 in words is "seven hundred seventy-six billion, three hundred thirty-eight million, fifteen thousand, two hundred twenty-three".