77063265 has 16 divisors (see below), whose sum is σ = 137001600. Its totient is φ = 41100336.

The previous prime is 77063257. The next prime is 77063269. The reversal of 77063265 is 56236077.

It is a happy number.

It is not a de Polignac number, because 77063265 - 2³ = 77063257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (77063269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 285285 + ... + 285554.

It is an arithmetic number, because the mean of its divisors is an integer number (8562600).

Almost surely, 2^77063265 is an apocalyptic number.

It is an amenable number.

77063265 is a deficient number, since it is larger than the sum of its proper divisors (59938335).

77063265 is a wasteful number, since it uses less digits than its factorization.

77063265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570853 (or 570847 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 36.

The square root of 77063265 is about 8778.5685051721. The cubic root of 77063265 is about 425.5485695981.

The spelling of 77063265 in words is "seventy-seven million, sixty-three thousand, two hundred sixty-five".