77993301484269 has 24 divisors (see below), whose sum is σ = 113819640410112. Its totient is φ = 51458938571520.

The previous prime is 77993301484247. The next prime is 77993301484271. The reversal of 77993301484269 is 96248410339977.

It is a happy number.

77993301484269 is a `hidden beast` number, since 7 + 7 + 9 + 93 + 30 + 1 + 484 + 26 + 9 = 666.

It is not a de Polignac number, because 77993301484269 - 2²⁷ = 77993167266541 is a prime.

It is a super-2 number, since 2×77993301484269² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 77993301484197 and 77993301484206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77993301484669) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89407242 + ... + 90275364.

It is an arithmetic number, because the mean of its divisors is an integer number (4742485017088).

Almost surely, 2^{77993301484269} is an apocalyptic number.

It is an amenable number.

77993301484269 is a deficient number, since it is larger than the sum of its proper divisors (35826338925843).

77993301484269 is a wasteful number, since it uses less digits than its factorization.

77993301484269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971137 (or 971134 counting only the distinct ones).

The product of its (nonzero) digits is 493807104, while the sum is 72.

The spelling of 77993301484269 in words is "seventy-seven trillion, nine hundred ninety-three billion, three hundred one million, four hundred eighty-four thousand, two hundred sixty-nine".