772723556705 has 16 divisors (see below), whose sum is σ = 983765430144. Its totient is φ = 580658661120.

The previous prime is 772723556677. The next prime is 772723556719. The reversal of 772723556705 is 507655327277.

It is not a de Polignac number, because 772723556705 - 2¹² = 772723552609 is a prime.

It is a Duffinian number.

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, 8993891 + ... + 9079400.

It is an arithmetic number, because the mean of its divisors is an integer number (61485339384).

Almost surely, 2^772723556705 is an apocalyptic number.

It is an amenable number.

772723556705 is a deficient number, since it is larger than the sum of its proper divisors (211041873439).

772723556705 is a wasteful number, since it uses less digits than its factorization.

772723556705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18073816.

The product of its (nonzero) digits is 21609000, while the sum is 56.

The spelling of 772723556705 in words is "seven hundred seventy-two billion, seven hundred twenty-three million, five hundred fifty-six thousand, seven hundred five".