77133018775 has 12 divisors (see below), whose sum is σ = 96173374024. Its totient is φ = 61365492000.

The previous prime is 77133018763. The next prime is 77133018779. The reversal of 77133018775 is 57781033177.

It is not a de Polignac number, because 77133018775 - 2¹³ = 77133010583 is a prime.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77133018779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8518461 + ... + 8527510.

Almost surely, 2^77133018775 is an apocalyptic number.

77133018775 is a deficient number, since it is larger than the sum of its proper divisors (19040355249).

77133018775 is a wasteful number, since it uses less digits than its factorization.

77133018775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17046162 (or 17046157 counting only the distinct ones).

The product of its (nonzero) digits is 864360, while the sum is 49.

The spelling of 77133018775 in words is "seventy-seven billion, one hundred thirty-three million, eighteen thousand, seven hundred seventy-five".