766077061 has 2 divisors, whose sum is σ = 766077062. Its totient is φ = 766077060.

The previous prime is 766077019. The next prime is 766077073. The reversal of 766077061 is 160770667.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 763416900 + 2660161 = 27630^2 + 1631^2 .

It is a cyclic number.

It is not a de Polignac number, because 766077061 - 2¹⁷ = 765945989 is a prime.

It is a super-3 number, since 3×766077061³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (766077161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 383038530 + 383038531.

It is an arithmetic number, because the mean of its divisors is an integer number (383038531).

Almost surely, 2^766077061 is an apocalyptic number.

It is an amenable number.

766077061 is a deficient number, since it is larger than the sum of its proper divisors (1).

766077061 is an equidigital number, since it uses as much as digits as its factorization.

766077061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 74088, while the sum is 40.

The square root of 766077061 is about 27678.0971347381. The cubic root of 766077061 is about 915.0064442597.

The spelling of 766077061 in words is "seven hundred sixty-six million, seventy-seven thousand, sixty-one".