7777125706 has 16 divisors (see below), whose sum is σ = 13333550400. Its totient is φ = 3332720160.

The previous prime is 7777125683. The next prime is 7777125731. The reversal of 7777125706 is 6075217777.

It is a self number, because there is not a number n which added to its sum of digits gives 7777125706.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161401 + ... + 203971.

It is an arithmetic number, because the mean of its divisors is an integer number (833346900).

Almost surely, 2^7777125706 is an apocalyptic number.

7777125706 is a deficient number, since it is larger than the sum of its proper divisors (5556424694).

7777125706 is a wasteful number, since it uses less digits than its factorization.

7777125706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55629.

The product of its (nonzero) digits is 1008420, while the sum is 49.

The square root of 7777125706 is about 88188.0133918437. The cubic root of 7777125706 is about 1981.2519465581.

The spelling of 7777125706 in words is "seven billion, seven hundred seventy-seven million, one hundred twenty-five thousand, seven hundred six".