772420102705 has 16 divisors (see below), whose sum is σ = 934386013440. Its totient is φ = 612964433088.

The previous prime is 772420102687. The next prime is 772420102711. The reversal of 772420102705 is 507201024277.

It is a cyclic number.

It is not a de Polignac number, because 772420102705 - 2⁹ = 772420102193 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 637317 + ... + 1396786.

It is an arithmetic number, because the mean of its divisors is an integer number (58399125840).

Almost surely, 2^772420102705 is an apocalyptic number.

It is an amenable number.

772420102705 is a deficient number, since it is larger than the sum of its proper divisors (161965910735).

772420102705 is a wasteful number, since it uses less digits than its factorization.

772420102705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2034720.

The product of its (nonzero) digits is 54880, while the sum is 37.

The spelling of 772420102705 in words is "seven hundred seventy-two billion, four hundred twenty million, one hundred two thousand, seven hundred five".