77090979263 has 2 divisors, whose sum is σ = 77090979264. Its totient is φ = 77090979262.

The previous prime is 77090979209. The next prime is 77090979271. The reversal of 77090979263 is 36297909077.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 77090979263 - 2²⁸ = 76822543807 is a prime.

It is a super-3 number, since 3×77090979263³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77090972263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38545489631 + 38545489632.

It is an arithmetic number, because the mean of its divisors is an integer number (38545489632).

Almost surely, 2^77090979263 is an apocalyptic number.

77090979263 is a deficient number, since it is larger than the sum of its proper divisors (1).

77090979263 is an equidigital number, since it uses as much as digits as its factorization.

77090979263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9001692, while the sum is 59.

The spelling of 77090979263 in words is "seventy-seven billion, ninety million, nine hundred seventy-nine thousand, two hundred sixty-three".