7077216061 has 2 divisors, whose sum is σ = 7077216062. Its totient is φ = 7077216060.

The previous prime is 7077216049. The next prime is 7077216067. The reversal of 7077216061 is 1606127707.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6657580836 + 419635225 = 81594^2 + 20485^2 .

It is a cyclic number.

It is not a de Polignac number, because 7077216061 - 2¹¹ = 7077214013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7077216061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7077216067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3538608030 + 3538608031.

It is an arithmetic number, because the mean of its divisors is an integer number (3538608031).

Almost surely, 2^7077216061 is an apocalyptic number.

It is an amenable number.

7077216061 is a deficient number, since it is larger than the sum of its proper divisors (1).

7077216061 is an equidigital number, since it uses as much as digits as its factorization.

7077216061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24696, while the sum is 37.

The square root of 7077216061 is about 84126.1912902278. The cubic root of 7077216061 is about 1919.9392397041.

The spelling of 7077216061 in words is "seven billion, seventy-seven million, two hundred sixteen thousand, sixty-one".