77533412914663 has 8 divisors (see below), whose sum is σ = 81955600531200. Its totient is φ = 73145373465528.

The previous prime is 77533412914591. The next prime is 77533412914679. The reversal of 77533412914663 is 36641921433577.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77533412914663 is a prime.

It is a super-2 number, since 2×77533412914663² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77533412914693) 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 7 ways as a sum of consecutive naturals, for example, 8537037181 + ... + 8537046262.

It is an arithmetic number, because the mean of its divisors is an integer number (10244450066400).

Almost surely, 2^{77533412914663} is an apocalyptic number.

77533412914663 is a deficient number, since it is larger than the sum of its proper divisors (4422187616537).

77533412914663 is a wasteful number, since it uses less digits than its factorization.

77533412914663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17074083701.

The product of its digits is 68584320, while the sum is 61.

The spelling of 77533412914663 in words is "seventy-seven trillion, five hundred thirty-three billion, four hundred twelve million, nine hundred fourteen thousand, six hundred sixty-three".