77261350056536 has 16 divisors (see below), whose sum is σ = 144879797075640. Its totient is φ = 38626737503040.

The previous prime is 77261350056533. The next prime is 77261350056547. The reversal of 77261350056536 is 63565005316277.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77261350056533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 492107261 + ... + 492264236.

Almost surely, 2^{77261350056536} is an apocalyptic number.

It is an amenable number.

77261350056536 is a deficient number, since it is larger than the sum of its proper divisors (67618447019104).

77261350056536 is a wasteful number, since it uses less digits than its factorization.

77261350056536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 984381314 (or 984381310 counting only the distinct ones).

The product of its (nonzero) digits is 23814000, while the sum is 56.

The spelling of 77261350056536 in words is "seventy-seven trillion, two hundred sixty-one billion, three hundred fifty million, fifty-six thousand, five hundred thirty-six".