7773012061 has 2 divisors, whose sum is σ = 7773012062. Its totient is φ = 7773012060.

The previous prime is 7773011999. The next prime is 7773012083. The reversal of 7773012061 is 1602103777.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4867155225 + 2905856836 = 69765^2 + 53906^2 .

It is a cyclic number.

It is not a de Polignac number, because 7773012061 - 2⁷ = 7773011933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7773082061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3886506030 + 3886506031.

It is an arithmetic number, because the mean of its divisors is an integer number (3886506031).

Almost surely, 2^7773012061 is an apocalyptic number.

It is an amenable number.

7773012061 is a deficient number, since it is larger than the sum of its proper divisors (1).

7773012061 is an equidigital number, since it uses as much as digits as its factorization.

7773012061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12348, while the sum is 34.

The square root of 7773012061 is about 88164.6871542116. The cubic root of 7773012061 is about 1980.9025627848.

The spelling of 7773012061 in words is "seven billion, seven hundred seventy-three million, twelve thousand, sixty-one".